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Finding the Fourth Proportional to 435,762.28, 653,668.03 and 155,279.53

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Solution

The fourth proportional to 435,762.28, 653,668.03 and 155,279.53 is: 232,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,762.28 : 653,668.03 = 155,279.53 : x
  2. Step 2: Convert to fraction form
    435,762.28/653,668.03 = 155,279.53/x
  3. Step 3: Cross multiply
    435,762.28x = 653,668.03 × 155,279.53
  4. Step 4: Simplify right side
    435,762.28x = 101,501,264,612.16
  5. Step 5: Solve for x
    x = 101,501,264,612.16/435,762.28
  6. Step 6: Final answer
    x = 232,928.06

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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.