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Finding the Fourth Proportional to 359,641.60, 539,289.96 and 169,944.04

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Solution

The fourth proportional to 359,641.60, 539,289.96 and 169,944.04 is: 254,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,641.60 : 539,289.96 = 169,944.04 : x
  2. Step 2: Convert to fraction form
    359,641.60/539,289.96 = 169,944.04/x
  3. Step 3: Cross multiply
    359,641.60x = 539,289.96 × 169,944.04
  4. Step 4: Simplify right side
    359,641.60x = 91,649,114,533.84
  5. Step 5: Solve for x
    x = 91,649,114,533.84/359,641.60
  6. Step 6: Final answer
    x = 254,834.58

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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.