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Finding the Fourth Proportional to 458,380.17, 632,534.72 and 254,421.36

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Solution

The fourth proportional to 458,380.17, 632,534.72 and 254,421.36 is: 351,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,380.17 : 632,534.72 = 254,421.36 : x
  2. Step 2: Convert to fraction form
    458,380.17/632,534.72 = 254,421.36/x
  3. Step 3: Cross multiply
    458,380.17x = 632,534.72 × 254,421.36
  4. Step 4: Simplify right side
    458,380.17x = 160,930,342,437.51
  5. Step 5: Solve for x
    x = 160,930,342,437.51/458,380.17
  6. Step 6: Final answer
    x = 351,084.87

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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.