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Finding the Fourth Proportional to 415,400.76, 573,253.04 and 234,119.32

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Solution

The fourth proportional to 415,400.76, 573,253.04 and 234,119.32 is: 323,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,400.76 : 573,253.04 = 234,119.32 : x
  2. Step 2: Convert to fraction form
    415,400.76/573,253.04 = 234,119.32/x
  3. Step 3: Cross multiply
    415,400.76x = 573,253.04 × 234,119.32
  4. Step 4: Simplify right side
    415,400.76x = 134,209,611,912.73
  5. Step 5: Solve for x
    x = 134,209,611,912.73/415,400.76
  6. Step 6: Final answer
    x = 323,084.66

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Half scale
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Double scale
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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.