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Finding the Fourth Proportional to 602,240.56, 829,006.08 and 520,531.60

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Solution

The fourth proportional to 602,240.56, 829,006.08 and 520,531.60 is: 716,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,240.56 : 829,006.08 = 520,531.60 : x
  2. Step 2: Convert to fraction form
    602,240.56/829,006.08 = 520,531.60/x
  3. Step 3: Cross multiply
    602,240.56x = 829,006.08 × 520,531.60
  4. Step 4: Simplify right side
    602,240.56x = 431,523,861,232.13
  5. Step 5: Solve for x
    x = 431,523,861,232.13/602,240.56
  6. Step 6: Final answer
    x = 716,530.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.