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Finding the Fourth Proportional to 359,575.38, 539,312.15 and 146,436.28

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Solution

The fourth proportional to 359,575.38, 539,312.15 and 146,436.28 is: 219,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,575.38 : 539,312.15 = 146,436.28 : x
  2. Step 2: Convert to fraction form
    359,575.38/539,312.15 = 146,436.28/x
  3. Step 3: Cross multiply
    359,575.38x = 539,312.15 × 146,436.28
  4. Step 4: Simplify right side
    359,575.38x = 78,974,865,127.58
  5. Step 5: Solve for x
    x = 78,974,865,127.58/359,575.38
  6. Step 6: Final answer
    x = 219,633.69

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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.