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Finding the Fourth Proportional to 437,529.60, 656,294.40 and 157,010.40

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Solution

The fourth proportional to 437,529.60, 656,294.40 and 157,010.40 is: 235,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,529.60 : 656,294.40 = 157,010.40 : x
  2. Step 2: Convert to fraction form
    437,529.60/656,294.40 = 157,010.40/x
  3. Step 3: Cross multiply
    437,529.60x = 656,294.40 × 157,010.40
  4. Step 4: Simplify right side
    437,529.60x = 103,045,046,261.76
  5. Step 5: Solve for x
    x = 103,045,046,261.76/437,529.60
  6. Step 6: Final answer
    x = 235,515.60

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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.