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Finding the Fourth Proportional to 400,248.87, 600,609.04 and 147,707.07

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Solution

The fourth proportional to 400,248.87, 600,609.04 and 147,707.07 is: 221,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,248.87 : 600,609.04 = 147,707.07 : x
  2. Step 2: Convert to fraction form
    400,248.87/600,609.04 = 147,707.07/x
  3. Step 3: Cross multiply
    400,248.87x = 600,609.04 × 147,707.07
  4. Step 4: Simplify right side
    400,248.87x = 88,714,200,775.38
  5. Step 5: Solve for x
    x = 88,714,200,775.38/400,248.87
  6. Step 6: Final answer
    x = 221,647.60

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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.