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Finding the Fourth Proportional to 526,553.14, 790,374.85 and 324,294.93

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Solution

The fourth proportional to 526,553.14, 790,374.85 and 324,294.93 is: 486,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,553.14 : 790,374.85 = 324,294.93 : x
  2. Step 2: Convert to fraction form
    526,553.14/790,374.85 = 324,294.93/x
  3. Step 3: Cross multiply
    526,553.14x = 790,374.85 × 324,294.93
  4. Step 4: Simplify right side
    526,553.14x = 256,314,556,654.51
  5. Step 5: Solve for x
    x = 256,314,556,654.51/526,553.14
  6. Step 6: Final answer
    x = 486,778.14

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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.