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Finding the Fourth Proportional to 458,374.56, 632,554.62 and 254,427.90

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Solution

The fourth proportional to 458,374.56, 632,554.62 and 254,427.90 is: 351,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,374.56 : 632,554.62 = 254,427.90 : x
  2. Step 2: Convert to fraction form
    458,374.56/632,554.62 = 254,427.90/x
  3. Step 3: Cross multiply
    458,374.56x = 632,554.62 × 254,427.90
  4. Step 4: Simplify right side
    458,374.56x = 160,939,543,601.90
  5. Step 5: Solve for x
    x = 160,939,543,601.90/458,374.56
  6. Step 6: Final answer
    x = 351,109.24

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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.