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Finding the Fourth Proportional to 573,109.20, 859,663.80 and 514,060.20

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Solution

The fourth proportional to 573,109.20, 859,663.80 and 514,060.20 is: 771,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,109.20 : 859,663.80 = 514,060.20 : x
  2. Step 2: Convert to fraction form
    573,109.20/859,663.80 = 514,060.20/x
  3. Step 3: Cross multiply
    573,109.20x = 859,663.80 × 514,060.20
  4. Step 4: Simplify right side
    573,109.20x = 441,918,944,960.76
  5. Step 5: Solve for x
    x = 441,918,944,960.76/573,109.20
  6. Step 6: Final answer
    x = 771,090.30

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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.