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Finding the Fourth Proportional to 359,591.48, 539,445.74 and 134,969.56

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Solution

The fourth proportional to 359,591.48, 539,445.74 and 134,969.56 is: 202,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,591.48 : 539,445.74 = 134,969.56 : x
  2. Step 2: Convert to fraction form
    359,591.48/539,445.74 = 134,969.56/x
  3. Step 3: Cross multiply
    359,591.48x = 539,445.74 × 134,969.56
  4. Step 4: Simplify right side
    359,591.48x = 72,808,754,171.67
  5. Step 5: Solve for x
    x = 72,808,754,171.67/359,591.48
  6. Step 6: Final answer
    x = 202,476.30

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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.