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Finding the Fourth Proportional to 458,846.90, 633,209.42 and 254,892.30

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Solution

The fourth proportional to 458,846.90, 633,209.42 and 254,892.30 is: 351,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,846.90 : 633,209.42 = 254,892.30 : x
  2. Step 2: Convert to fraction form
    458,846.90/633,209.42 = 254,892.30/x
  3. Step 3: Cross multiply
    458,846.90x = 633,209.42 × 254,892.30
  4. Step 4: Simplify right side
    458,846.90x = 161,400,205,445.47
  5. Step 5: Solve for x
    x = 161,400,205,445.47/458,846.90
  6. Step 6: Final answer
    x = 351,751.76

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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.