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Finding the Fourth Proportional to 359,365.96, 539,013.07 and 146,146.44

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Solution

The fourth proportional to 359,365.96, 539,013.07 and 146,146.44 is: 219,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,365.96 : 539,013.07 = 146,146.44 : x
  2. Step 2: Convert to fraction form
    359,365.96/539,013.07 = 146,146.44/x
  3. Step 3: Cross multiply
    359,365.96x = 539,013.07 × 146,146.44
  4. Step 4: Simplify right side
    359,365.96x = 78,774,841,293.97
  5. Step 5: Solve for x
    x = 78,774,841,293.97/359,365.96
  6. Step 6: Final answer
    x = 219,205.07

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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.