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Finding the Fourth Proportional to 359,772.84, 539,557.20 and 107,043.12

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Solution

The fourth proportional to 359,772.84, 539,557.20 and 107,043.12 is: 160,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,772.84 : 539,557.20 = 107,043.12 : x
  2. Step 2: Convert to fraction form
    359,772.84/539,557.20 = 107,043.12/x
  3. Step 3: Cross multiply
    359,772.84x = 539,557.20 × 107,043.12
  4. Step 4: Simplify right side
    359,772.84x = 57,755,886,106.46
  5. Step 5: Solve for x
    x = 57,755,886,106.46/359,772.84
  6. Step 6: Final answer
    x = 160,534.31

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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.