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Finding the Fourth Proportional to 383,133.65, 574,700.58 and 158,246.91

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Solution

The fourth proportional to 383,133.65, 574,700.58 and 158,246.91 is: 237,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,133.65 : 574,700.58 = 158,246.91 : x
  2. Step 2: Convert to fraction form
    383,133.65/574,700.58 = 158,246.91/x
  3. Step 3: Cross multiply
    383,133.65x = 574,700.58 × 158,246.91
  4. Step 4: Simplify right side
    383,133.65x = 90,944,590,960.21
  5. Step 5: Solve for x
    x = 90,944,590,960.21/383,133.65
  6. Step 6: Final answer
    x = 237,370.41

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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.