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Finding the Fourth Proportional to 359,664.72, 539,496.90 and 106,944.12

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Solution

The fourth proportional to 359,664.72, 539,496.90 and 106,944.12 is: 160,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,664.72 : 539,496.90 = 106,944.12 : x
  2. Step 2: Convert to fraction form
    359,664.72/539,496.90 = 106,944.12/x
  3. Step 3: Cross multiply
    359,664.72x = 539,496.90 × 106,944.12
  4. Step 4: Simplify right side
    359,664.72x = 57,696,021,213.23
  5. Step 5: Solve for x
    x = 57,696,021,213.23/359,664.72
  6. Step 6: Final answer
    x = 160,416.13

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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.