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Finding the Fourth Proportional to 427,712.60, 590,374.92 and 246,545.62

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Solution

The fourth proportional to 427,712.60, 590,374.92 and 246,545.62 is: 340,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,712.60 : 590,374.92 = 246,545.62 : x
  2. Step 2: Convert to fraction form
    427,712.60/590,374.92 = 246,545.62/x
  3. Step 3: Cross multiply
    427,712.60x = 590,374.92 × 246,545.62
  4. Step 4: Simplify right side
    427,712.60x = 145,554,350,683.85
  5. Step 5: Solve for x
    x = 145,554,350,683.85/427,712.60
  6. Step 6: Final answer
    x = 340,308.77

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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.