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Finding the Fourth Proportional to 400,752.47, 600,903.51 and 274,535.03

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Solution

The fourth proportional to 400,752.47, 600,903.51 and 274,535.03 is: 411,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,752.47 : 600,903.51 = 274,535.03 : x
  2. Step 2: Convert to fraction form
    400,752.47/600,903.51 = 274,535.03/x
  3. Step 3: Cross multiply
    400,752.47x = 600,903.51 × 274,535.03
  4. Step 4: Simplify right side
    400,752.47x = 164,969,063,144.96
  5. Step 5: Solve for x
    x = 164,969,063,144.96/400,752.47
  6. Step 6: Final answer
    x = 411,648.28

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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.