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Finding the Fourth Proportional to 357,480.38, 536,286.49 and 117,607.78

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Solution

The fourth proportional to 357,480.38, 536,286.49 and 117,607.78 is: 176,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,480.38 : 536,286.49 = 117,607.78 : x
  2. Step 2: Convert to fraction form
    357,480.38/536,286.49 = 117,607.78/x
  3. Step 3: Cross multiply
    357,480.38x = 536,286.49 × 117,607.78
  4. Step 4: Simplify right side
    357,480.38x = 63,071,463,532.89
  5. Step 5: Solve for x
    x = 63,071,463,532.89/357,480.38
  6. Step 6: Final answer
    x = 176,433.36

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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.