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Finding the Fourth Proportional to 633,494.40, 948,916.80 and 296,822.40

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Solution

The fourth proportional to 633,494.40, 948,916.80 and 296,822.40 is: 444,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,494.40 : 948,916.80 = 296,822.40 : x
  2. Step 2: Convert to fraction form
    633,494.40/948,916.80 = 296,822.40/x
  3. Step 3: Cross multiply
    633,494.40x = 948,916.80 × 296,822.40
  4. Step 4: Simplify right side
    633,494.40x = 281,659,761,976.32
  5. Step 5: Solve for x
    x = 281,659,761,976.32/633,494.40
  6. Step 6: Final answer
    x = 444,612.87

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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.