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Finding the Fourth Proportional to 458,365.68, 632,532.78 and 254,406.06

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Solution

The fourth proportional to 458,365.68, 632,532.78 and 254,406.06 is: 351,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,365.68 : 632,532.78 = 254,406.06 : x
  2. Step 2: Convert to fraction form
    458,365.68/632,532.78 = 254,406.06/x
  3. Step 3: Cross multiply
    458,365.68x = 632,532.78 × 254,406.06
  4. Step 4: Simplify right side
    458,365.68x = 160,920,172,380.65
  5. Step 5: Solve for x
    x = 160,920,172,380.65/458,365.68
  6. Step 6: Final answer
    x = 351,073.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.