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Finding the Fourth Proportional to 374,280.96, 561,423.88 and 149,660.28

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Solution

The fourth proportional to 374,280.96, 561,423.88 and 149,660.28 is: 224,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,280.96 : 561,423.88 = 149,660.28 : x
  2. Step 2: Convert to fraction form
    374,280.96/561,423.88 = 149,660.28/x
  3. Step 3: Cross multiply
    374,280.96x = 561,423.88 × 149,660.28
  4. Step 4: Simplify right side
    374,280.96x = 84,022,855,079.49
  5. Step 5: Solve for x
    x = 84,022,855,079.49/374,280.96
  6. Step 6: Final answer
    x = 224,491.40

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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.