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Finding the Fourth Proportional to 359,391.60, 539,087.40 and 329,065.20

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Solution

The fourth proportional to 359,391.60, 539,087.40 and 329,065.20 is: 493,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,391.60 : 539,087.40 = 329,065.20 : x
  2. Step 2: Convert to fraction form
    359,391.60/539,087.40 = 329,065.20/x
  3. Step 3: Cross multiply
    359,391.60x = 539,087.40 × 329,065.20
  4. Step 4: Simplify right side
    359,391.60x = 177,394,903,098.48
  5. Step 5: Solve for x
    x = 177,394,903,098.48/359,391.60
  6. Step 6: Final answer
    x = 493,597.80

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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.