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Finding the Fourth Proportional to 458,498.72, 632,699.84 and 254,537.76

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Solution

The fourth proportional to 458,498.72, 632,699.84 and 254,537.76 is: 351,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,498.72 : 632,699.84 = 254,537.76 : x
  2. Step 2: Convert to fraction form
    458,498.72/632,699.84 = 254,537.76/x
  3. Step 3: Cross multiply
    458,498.72x = 632,699.84 × 254,537.76
  4. Step 4: Simplify right side
    458,498.72x = 161,046,000,025.96
  5. Step 5: Solve for x
    x = 161,046,000,025.96/458,498.72
  6. Step 6: Final answer
    x = 351,246.35

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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.