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Finding the Fourth Proportional to 650,729.40, 974,798.10 and 572,796.60

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Solution

The fourth proportional to 650,729.40, 974,798.10 and 572,796.60 is: 858,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,729.40 : 974,798.10 = 572,796.60 : x
  2. Step 2: Convert to fraction form
    650,729.40/974,798.10 = 572,796.60/x
  3. Step 3: Cross multiply
    650,729.40x = 974,798.10 × 572,796.60
  4. Step 4: Simplify right side
    650,729.40x = 558,361,037,366.46
  5. Step 5: Solve for x
    x = 558,361,037,366.46/650,729.40
  6. Step 6: Final answer
    x = 858,054.11

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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.