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Finding the Fourth Proportional to 338,888.18, 508,001.76 and 161,347.52

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Solution

The fourth proportional to 338,888.18, 508,001.76 and 161,347.52 is: 241,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,888.18 : 508,001.76 = 161,347.52 : x
  2. Step 2: Convert to fraction form
    338,888.18/508,001.76 = 161,347.52/x
  3. Step 3: Cross multiply
    338,888.18x = 508,001.76 × 161,347.52
  4. Step 4: Simplify right side
    338,888.18x = 81,964,824,131.64
  5. Step 5: Solve for x
    x = 81,964,824,131.64/338,888.18
  6. Step 6: Final answer
    x = 241,863.92

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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.