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Finding the Fourth Proportional to 650,683.27, 976,193.18 and 381,039.13

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Solution

The fourth proportional to 650,683.27, 976,193.18 and 381,039.13 is: 571,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,683.27 : 976,193.18 = 381,039.13 : x
  2. Step 2: Convert to fraction form
    650,683.27/976,193.18 = 381,039.13/x
  3. Step 3: Cross multiply
    650,683.27x = 976,193.18 × 381,039.13
  4. Step 4: Simplify right side
    650,683.27x = 371,967,793,232.97
  5. Step 5: Solve for x
    x = 371,967,793,232.97/650,683.27
  6. Step 6: Final answer
    x = 571,657.23

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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.