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Finding the Fourth Proportional to 458,875.62, 632,993.13 and 426,401.46

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Solution

The fourth proportional to 458,875.62, 632,993.13 and 426,401.46 is: 588,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,875.62 : 632,993.13 = 426,401.46 : x
  2. Step 2: Convert to fraction form
    458,875.62/632,993.13 = 426,401.46/x
  3. Step 3: Cross multiply
    458,875.62x = 632,993.13 × 426,401.46
  4. Step 4: Simplify right side
    458,875.62x = 269,909,194,801.97
  5. Step 5: Solve for x
    x = 269,909,194,801.97/458,875.62
  6. Step 6: Final answer
    x = 588,196.85

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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.