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Finding the Fourth Proportional to 359,545.42, 539,331.45 and 134,883.10

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Solution

The fourth proportional to 359,545.42, 539,331.45 and 134,883.10 is: 202,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,545.42 : 539,331.45 = 134,883.10 : x
  2. Step 2: Convert to fraction form
    359,545.42/539,331.45 = 134,883.10/x
  3. Step 3: Cross multiply
    359,545.42x = 539,331.45 × 134,883.10
  4. Step 4: Simplify right side
    359,545.42x = 72,746,697,903.50
  5. Step 5: Solve for x
    x = 72,746,697,903.50/359,545.42
  6. Step 6: Final answer
    x = 202,329.65

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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.