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Finding the Fourth Proportional to 328,535.60, 492,864.17 and 103,952.57

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Solution

The fourth proportional to 328,535.60, 492,864.17 and 103,952.57 is: 155,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,535.60 : 492,864.17 = 103,952.57 : x
  2. Step 2: Convert to fraction form
    328,535.60/492,864.17 = 103,952.57/x
  3. Step 3: Cross multiply
    328,535.60x = 492,864.17 × 103,952.57
  4. Step 4: Simplify right side
    328,535.60x = 51,234,494,148.33
  5. Step 5: Solve for x
    x = 51,234,494,148.33/328,535.60
  6. Step 6: Final answer
    x = 155,948.08

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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.