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Finding the Fourth Proportional to 374,103.20, 561,154.80 and 224,512.40

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Solution

The fourth proportional to 374,103.20, 561,154.80 and 224,512.40 is: 336,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,103.20 : 561,154.80 = 224,512.40 : x
  2. Step 2: Convert to fraction form
    374,103.20/561,154.80 = 224,512.40/x
  3. Step 3: Cross multiply
    374,103.20x = 561,154.80 × 224,512.40
  4. Step 4: Simplify right side
    374,103.20x = 125,986,210,919.52
  5. Step 5: Solve for x
    x = 125,986,210,919.52/374,103.20
  6. Step 6: Final answer
    x = 336,768.60

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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.