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Finding the Fourth Proportional to 313,350.60, 469,930.86 and 88,693.32

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Solution

The fourth proportional to 313,350.60, 469,930.86 and 88,693.32 is: 133,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,350.60 : 469,930.86 = 88,693.32 : x
  2. Step 2: Convert to fraction form
    313,350.60/469,930.86 = 88,693.32/x
  3. Step 3: Cross multiply
    313,350.60x = 469,930.86 × 88,693.32
  4. Step 4: Simplify right side
    313,350.60x = 41,679,728,143.86
  5. Step 5: Solve for x
    x = 41,679,728,143.86/313,350.60
  6. Step 6: Final answer
    x = 133,013.08

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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.