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Finding the Fourth Proportional to 374,143.20, 561,214.80 and 224,552.40

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Solution

The fourth proportional to 374,143.20, 561,214.80 and 224,552.40 is: 336,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,143.20 : 561,214.80 = 224,552.40 : x
  2. Step 2: Convert to fraction form
    374,143.20/561,214.80 = 224,552.40/x
  3. Step 3: Cross multiply
    374,143.20x = 561,214.80 × 224,552.40
  4. Step 4: Simplify right side
    374,143.20x = 126,022,130,255.52
  5. Step 5: Solve for x
    x = 126,022,130,255.52/374,143.20
  6. Step 6: Final answer
    x = 336,828.60

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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.