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Finding the Fourth Proportional to 359,862.85, 539,762.87 and 146,653.13

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Solution

The fourth proportional to 359,862.85, 539,762.87 and 146,653.13 is: 219,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,862.85 : 539,762.87 = 146,653.13 : x
  2. Step 2: Convert to fraction form
    359,862.85/539,762.87 = 146,653.13/x
  3. Step 3: Cross multiply
    359,862.85x = 539,762.87 × 146,653.13
  4. Step 4: Simplify right side
    359,862.85x = 79,157,916,059.32
  5. Step 5: Solve for x
    x = 79,157,916,059.32/359,862.85
  6. Step 6: Final answer
    x = 219,966.90

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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.