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Finding the Fourth Proportional to 458,047.99, 632,110.05 and 254,112.20

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Solution

The fourth proportional to 458,047.99, 632,110.05 and 254,112.20 is: 350,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,047.99 : 632,110.05 = 254,112.20 : x
  2. Step 2: Convert to fraction form
    458,047.99/632,110.05 = 254,112.20/x
  3. Step 3: Cross multiply
    458,047.99x = 632,110.05 × 254,112.20
  4. Step 4: Simplify right side
    458,047.99x = 160,626,875,447.61
  5. Step 5: Solve for x
    x = 160,626,875,447.61/458,047.99
  6. Step 6: Final answer
    x = 350,676.96

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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.