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Finding the Fourth Proportional to 356,460.92, 534,691.38 and 119,803.60

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Solution

The fourth proportional to 356,460.92, 534,691.38 and 119,803.60 is: 179,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,460.92 : 534,691.38 = 119,803.60 : x
  2. Step 2: Convert to fraction form
    356,460.92/534,691.38 = 119,803.60/x
  3. Step 3: Cross multiply
    356,460.92x = 534,691.38 × 119,803.60
  4. Step 4: Simplify right side
    356,460.92x = 64,057,952,212.97
  5. Step 5: Solve for x
    x = 64,057,952,212.97/356,460.92
  6. Step 6: Final answer
    x = 179,705.40

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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.