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Finding the Fourth Proportional to 338,677.02, 508,248.81 and 117,061.02

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Solution

The fourth proportional to 338,677.02, 508,248.81 and 117,061.02 is: 175,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,677.02 : 508,248.81 = 117,061.02 : x
  2. Step 2: Convert to fraction form
    338,677.02/508,248.81 = 117,061.02/x
  3. Step 3: Cross multiply
    338,677.02x = 508,248.81 × 117,061.02
  4. Step 4: Simplify right side
    338,677.02x = 59,496,124,112.39
  5. Step 5: Solve for x
    x = 59,496,124,112.39/338,677.02
  6. Step 6: Final answer
    x = 175,672.16

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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.