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Finding the Fourth Proportional to 507,414.85, 760,572.10 and 254,084.61

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Solution

The fourth proportional to 507,414.85, 760,572.10 and 254,084.61 is: 380,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,414.85 : 760,572.10 = 254,084.61 : x
  2. Step 2: Convert to fraction form
    507,414.85/760,572.10 = 254,084.61/x
  3. Step 3: Cross multiply
    507,414.85x = 760,572.10 × 254,084.61
  4. Step 4: Simplify right side
    507,414.85x = 193,249,665,405.38
  5. Step 5: Solve for x
    x = 193,249,665,405.38/507,414.85
  6. Step 6: Final answer
    x = 380,851.42

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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.