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Finding the Fourth Proportional to 577,471,606.20, 866,207,409.30 and 347,889,094.20

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Solution

The fourth proportional to 577,471,606.20, 866,207,409.30 and 347,889,094.20 is: 521,833,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,471,606.20 : 866,207,409.30 = 347,889,094.20 : x
  2. Step 2: Convert to fraction form
    577,471,606.20/866,207,409.30 = 347,889,094.20/x
  3. Step 3: Cross multiply
    577,471,606.20x = 866,207,409.30 × 347,889,094.20
  4. Step 4: Simplify right side
    577,471,606.20x = 301,344,111,010,705,600
  5. Step 5: Solve for x
    x = 301,344,111,010,705,600/577,471,606.20
  6. Step 6: Final answer
    x = 521,833,641.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.