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Finding the Fourth Proportional to 731,505.60, 1,096,383.60 and 376,336.80

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Solution

The fourth proportional to 731,505.60, 1,096,383.60 and 376,336.80 is: 564,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,505.60 : 1,096,383.60 = 376,336.80 : x
  2. Step 2: Convert to fraction form
    731,505.60/1,096,383.60 = 376,336.80/x
  3. Step 3: Cross multiply
    731,505.60x = 1,096,383.60 × 376,336.80
  4. Step 4: Simplify right side
    731,505.60x = 412,609,495,596.48
  5. Step 5: Solve for x
    x = 412,609,495,596.48/731,505.60
  6. Step 6: Final answer
    x = 564,055.14

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Double scale
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Similar ratio
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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.