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Finding the Fourth Proportional to 338,673.76, 508,315.20 and 181,036.96

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Solution

The fourth proportional to 338,673.76, 508,315.20 and 181,036.96 is: 271,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,673.76 : 508,315.20 = 181,036.96 : x
  2. Step 2: Convert to fraction form
    338,673.76/508,315.20 = 181,036.96/x
  3. Step 3: Cross multiply
    338,673.76x = 508,315.20 × 181,036.96
  4. Step 4: Simplify right side
    338,673.76x = 92,023,838,529.79
  5. Step 5: Solve for x
    x = 92,023,838,529.79/338,673.76
  6. Step 6: Final answer
    x = 271,718.24

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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.