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Finding the Fourth Proportional to 458,635.10, 632,895.12 and 254,698.97

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Solution

The fourth proportional to 458,635.10, 632,895.12 and 254,698.97 is: 351,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,635.10 : 632,895.12 = 254,698.97 : x
  2. Step 2: Convert to fraction form
    458,635.10/632,895.12 = 254,698.97/x
  3. Step 3: Cross multiply
    458,635.10x = 632,895.12 × 254,698.97
  4. Step 4: Simplify right side
    458,635.10x = 161,197,732,017.55
  5. Step 5: Solve for x
    x = 161,197,732,017.55/458,635.10
  6. Step 6: Final answer
    x = 351,472.74

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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.