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Finding the Fourth Proportional to 332,068.16, 458,753.64 and 217,618.76

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Solution

The fourth proportional to 332,068.16, 458,753.64 and 217,618.76 is: 300,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,068.16 : 458,753.64 = 217,618.76 : x
  2. Step 2: Convert to fraction form
    332,068.16/458,753.64 = 217,618.76/x
  3. Step 3: Cross multiply
    332,068.16x = 458,753.64 × 217,618.76
  4. Step 4: Simplify right side
    332,068.16x = 99,833,398,282.29
  5. Step 5: Solve for x
    x = 99,833,398,282.29/332,068.16
  6. Step 6: Final answer
    x = 300,641.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.