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Finding the Fourth Proportional to 407,584.60, 611,595.60 and 170,951.20

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Solution

The fourth proportional to 407,584.60, 611,595.60 and 170,951.20 is: 256,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,584.60 : 611,595.60 = 170,951.20 : x
  2. Step 2: Convert to fraction form
    407,584.60/611,595.60 = 170,951.20/x
  3. Step 3: Cross multiply
    407,584.60x = 611,595.60 × 170,951.20
  4. Step 4: Simplify right side
    407,584.60x = 104,553,001,734.72
  5. Step 5: Solve for x
    x = 104,553,001,734.72/407,584.60
  6. Step 6: Final answer
    x = 256,518.53

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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.