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Finding the Fourth Proportional to 458,587.58, 632,862.72 and 254,647.09

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Solution

The fourth proportional to 458,587.58, 632,862.72 and 254,647.09 is: 351,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,587.58 : 632,862.72 = 254,647.09 : x
  2. Step 2: Convert to fraction form
    458,587.58/632,862.72 = 254,647.09/x
  3. Step 3: Cross multiply
    458,587.58x = 632,862.72 × 254,647.09
  4. Step 4: Simplify right side
    458,587.58x = 161,156,650,808.56
  5. Step 5: Solve for x
    x = 161,156,650,808.56/458,587.58
  6. Step 6: Final answer
    x = 351,419.58

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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.