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Finding the Fourth Proportional to 368,515.80, 552,773.70 and 250,417.80

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Solution

The fourth proportional to 368,515.80, 552,773.70 and 250,417.80 is: 375,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,515.80 : 552,773.70 = 250,417.80 : x
  2. Step 2: Convert to fraction form
    368,515.80/552,773.70 = 250,417.80/x
  3. Step 3: Cross multiply
    368,515.80x = 552,773.70 × 250,417.80
  4. Step 4: Simplify right side
    368,515.80x = 138,424,373,851.86
  5. Step 5: Solve for x
    x = 138,424,373,851.86/368,515.80
  6. Step 6: Final answer
    x = 375,626.70

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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.