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Finding the Fourth Proportional to 359,699.97, 539,498.79 and 146,560.89

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Solution

The fourth proportional to 359,699.97, 539,498.79 and 146,560.89 is: 219,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,699.97 : 539,498.79 = 146,560.89 : x
  2. Step 2: Convert to fraction form
    359,699.97/539,498.79 = 146,560.89/x
  3. Step 3: Cross multiply
    359,699.97x = 539,498.79 × 146,560.89
  4. Step 4: Simplify right side
    359,699.97x = 79,069,422,816.32
  5. Step 5: Solve for x
    x = 79,069,422,816.32/359,699.97
  6. Step 6: Final answer
    x = 219,820.49

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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.