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Finding the Fourth Proportional to 374,215.80, 561,323.70 and 224,916.60

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Solution

The fourth proportional to 374,215.80, 561,323.70 and 224,916.60 is: 337,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,215.80 : 561,323.70 = 224,916.60 : x
  2. Step 2: Convert to fraction form
    374,215.80/561,323.70 = 224,916.60/x
  3. Step 3: Cross multiply
    374,215.80x = 561,323.70 × 224,916.60
  4. Step 4: Simplify right side
    374,215.80x = 126,251,018,103.42
  5. Step 5: Solve for x
    x = 126,251,018,103.42/374,215.80
  6. Step 6: Final answer
    x = 337,374.90

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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.