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Finding the Fourth Proportional to 359,686.50, 539,250.54 and 233,059.20

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Solution

The fourth proportional to 359,686.50, 539,250.54 and 233,059.20 is: 349,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,686.50 : 539,250.54 = 233,059.20 : x
  2. Step 2: Convert to fraction form
    359,686.50/539,250.54 = 233,059.20/x
  3. Step 3: Cross multiply
    359,686.50x = 539,250.54 × 233,059.20
  4. Step 4: Simplify right side
    359,686.50x = 125,677,299,451.97
  5. Step 5: Solve for x
    x = 125,677,299,451.97/359,686.50
  6. Step 6: Final answer
    x = 349,407.89

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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.