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Finding the Fourth Proportional to 415,520.60, 573,383.93 and 234,277.11

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Solution

The fourth proportional to 415,520.60, 573,383.93 and 234,277.11 is: 323,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,520.60 : 573,383.93 = 234,277.11 : x
  2. Step 2: Convert to fraction form
    415,520.60/573,383.93 = 234,277.11/x
  3. Step 3: Cross multiply
    415,520.60x = 573,383.93 × 234,277.11
  4. Step 4: Simplify right side
    415,520.60x = 134,330,728,869.46
  5. Step 5: Solve for x
    x = 134,330,728,869.46/415,520.60
  6. Step 6: Final answer
    x = 323,282.96

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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.