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Finding the Fourth Proportional to 359,620.47, 539,518.32 and 119,733.93

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Solution

The fourth proportional to 359,620.47, 539,518.32 and 119,733.93 is: 179,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,620.47 : 539,518.32 = 119,733.93 : x
  2. Step 2: Convert to fraction form
    359,620.47/539,518.32 = 119,733.93/x
  3. Step 3: Cross multiply
    359,620.47x = 539,518.32 × 119,733.93
  4. Step 4: Simplify right side
    359,620.47x = 64,598,648,760.60
  5. Step 5: Solve for x
    x = 64,598,648,760.60/359,620.47
  6. Step 6: Final answer
    x = 179,630.07

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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.