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Finding the Fourth Proportional to 492,524.92, 738,829.29 and 155,475.40

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Solution

The fourth proportional to 492,524.92, 738,829.29 and 155,475.40 is: 233,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,524.92 : 738,829.29 = 155,475.40 : x
  2. Step 2: Convert to fraction form
    492,524.92/738,829.29 = 155,475.40/x
  3. Step 3: Cross multiply
    492,524.92x = 738,829.29 × 155,475.40
  4. Step 4: Simplify right side
    492,524.92x = 114,869,779,394.47
  5. Step 5: Solve for x
    x = 114,869,779,394.47/492,524.92
  6. Step 6: Final answer
    x = 233,226.33

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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.