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Finding the Fourth Proportional to 383,394.04, 575,359.98 and 158,758.36

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Solution

The fourth proportional to 383,394.04, 575,359.98 and 158,758.36 is: 238,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,394.04 : 575,359.98 = 158,758.36 : x
  2. Step 2: Convert to fraction form
    383,394.04/575,359.98 = 158,758.36/x
  3. Step 3: Cross multiply
    383,394.04x = 575,359.98 × 158,758.36
  4. Step 4: Simplify right side
    383,394.04x = 91,343,206,834.43
  5. Step 5: Solve for x
    x = 91,343,206,834.43/383,394.04
  6. Step 6: Final answer
    x = 238,248.90

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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.