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Finding the Fourth Proportional to 359,036.87, 538,568.97 and 134,373.65

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Solution

The fourth proportional to 359,036.87, 538,568.97 and 134,373.65 is: 201,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,036.87 : 538,568.97 = 134,373.65 : x
  2. Step 2: Convert to fraction form
    359,036.87/538,568.97 = 134,373.65/x
  3. Step 3: Cross multiply
    359,036.87x = 538,568.97 × 134,373.65
  4. Step 4: Simplify right side
    359,036.87x = 72,369,475,078.89
  5. Step 5: Solve for x
    x = 72,369,475,078.89/359,036.87
  6. Step 6: Final answer
    x = 201,565.58

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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.