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Finding the Fourth Proportional to 372,046.80, 556,903.80 and 267,070.80

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Solution

The fourth proportional to 372,046.80, 556,903.80 and 267,070.80 is: 399,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,046.80 : 556,903.80 = 267,070.80 : x
  2. Step 2: Convert to fraction form
    372,046.80/556,903.80 = 267,070.80/x
  3. Step 3: Cross multiply
    372,046.80x = 556,903.80 × 267,070.80
  4. Step 4: Simplify right side
    372,046.80x = 148,732,743,389.04
  5. Step 5: Solve for x
    x = 148,732,743,389.04/372,046.80
  6. Step 6: Final answer
    x = 399,768.91

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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.