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Finding the Fourth Proportional to 458,443.92, 632,636.28 and 254,503.74

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Solution

The fourth proportional to 458,443.92, 632,636.28 and 254,503.74 is: 351,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,443.92 : 632,636.28 = 254,503.74 : x
  2. Step 2: Convert to fraction form
    458,443.92/632,636.28 = 254,503.74/x
  3. Step 3: Cross multiply
    458,443.92x = 632,636.28 × 254,503.74
  4. Step 4: Simplify right side
    458,443.92x = 161,008,299,319.69
  5. Step 5: Solve for x
    x = 161,008,299,319.69/458,443.92
  6. Step 6: Final answer
    x = 351,206.10

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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.