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Finding the Fourth Proportional to 394,483.92, 544,254.84 and 224,597.76

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Solution

The fourth proportional to 394,483.92, 544,254.84 and 224,597.76 is: 309,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,483.92 : 544,254.84 = 224,597.76 : x
  2. Step 2: Convert to fraction form
    394,483.92/544,254.84 = 224,597.76/x
  3. Step 3: Cross multiply
    394,483.92x = 544,254.84 × 224,597.76
  4. Step 4: Simplify right side
    394,483.92x = 122,238,417,933.16
  5. Step 5: Solve for x
    x = 122,238,417,933.16/394,483.92
  6. Step 6: Final answer
    x = 309,869.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.