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Finding the Fourth Proportional to 484,649.96, 727,123.20 and 248,159.96

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Solution

The fourth proportional to 484,649.96, 727,123.20 and 248,159.96 is: 372,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,649.96 : 727,123.20 = 248,159.96 : x
  2. Step 2: Convert to fraction form
    484,649.96/727,123.20 = 248,159.96/x
  3. Step 3: Cross multiply
    484,649.96x = 727,123.20 × 248,159.96
  4. Step 4: Simplify right side
    484,649.96x = 180,442,864,227.07
  5. Step 5: Solve for x
    x = 180,442,864,227.07/484,649.96
  6. Step 6: Final answer
    x = 372,315.85

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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.