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Finding the Fourth Proportional to 374,180.80, 561,271.20 and 224,881.60

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Solution

The fourth proportional to 374,180.80, 561,271.20 and 224,881.60 is: 337,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,180.80 : 561,271.20 = 224,881.60 : x
  2. Step 2: Convert to fraction form
    374,180.80/561,271.20 = 224,881.60/x
  3. Step 3: Cross multiply
    374,180.80x = 561,271.20 × 224,881.60
  4. Step 4: Simplify right side
    374,180.80x = 126,219,565,489.92
  5. Step 5: Solve for x
    x = 126,219,565,489.92/374,180.80
  6. Step 6: Final answer
    x = 337,322.40

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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.