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Finding the Fourth Proportional to 486,159.06, 730,835.78 and 451,044.65

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Solution

The fourth proportional to 486,159.06, 730,835.78 and 451,044.65 is: 678,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,159.06 : 730,835.78 = 451,044.65 : x
  2. Step 2: Convert to fraction form
    486,159.06/730,835.78 = 451,044.65/x
  3. Step 3: Cross multiply
    486,159.06x = 730,835.78 × 451,044.65
  4. Step 4: Simplify right side
    486,159.06x = 329,639,564,943.40
  5. Step 5: Solve for x
    x = 329,639,564,943.40/486,159.06
  6. Step 6: Final answer
    x = 678,048.80

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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.