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Finding the Fourth Proportional to 577,848.60, 866,189.70 and 262,531.80

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Solution

The fourth proportional to 577,848.60, 866,189.70 and 262,531.80 is: 393,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,848.60 : 866,189.70 = 262,531.80 : x
  2. Step 2: Convert to fraction form
    577,848.60/866,189.70 = 262,531.80/x
  3. Step 3: Cross multiply
    577,848.60x = 866,189.70 × 262,531.80
  4. Step 4: Simplify right side
    577,848.60x = 227,402,341,082.46
  5. Step 5: Solve for x
    x = 227,402,341,082.46/577,848.60
  6. Step 6: Final answer
    x = 393,532.74

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1.5x scale

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.