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Finding the Fourth Proportional to 250,752.72, 376,462.56 and 145,647.12

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Solution

The fourth proportional to 250,752.72, 376,462.56 and 145,647.12 is: 218,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,752.72 : 376,462.56 = 145,647.12 : x
  2. Step 2: Convert to fraction form
    250,752.72/376,462.56 = 145,647.12/x
  3. Step 3: Cross multiply
    250,752.72x = 376,462.56 × 145,647.12
  4. Step 4: Simplify right side
    250,752.72x = 54,830,687,651.83
  5. Step 5: Solve for x
    x = 54,830,687,651.83/250,752.72
  6. Step 6: Final answer
    x = 218,664.38

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1.5x scale

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.