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Finding the Fourth Proportional to 458,431.04, 632,624.88 and 254,470.16

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Solution

The fourth proportional to 458,431.04, 632,624.88 and 254,470.16 is: 351,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,431.04 : 632,624.88 = 254,470.16 : x
  2. Step 2: Convert to fraction form
    458,431.04/632,624.88 = 254,470.16/x
  3. Step 3: Cross multiply
    458,431.04x = 632,624.88 × 254,470.16
  4. Step 4: Simplify right side
    458,431.04x = 160,984,154,433.58
  5. Step 5: Solve for x
    x = 160,984,154,433.58/458,431.04
  6. Step 6: Final answer
    x = 351,163.29

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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.