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Finding the Fourth Proportional to 458,686.30, 633,008.07 and 254,738.14

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Solution

The fourth proportional to 458,686.30, 633,008.07 and 254,738.14 is: 351,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,686.30 : 633,008.07 = 254,738.14 : x
  2. Step 2: Convert to fraction form
    458,686.30/633,008.07 = 254,738.14/x
  3. Step 3: Cross multiply
    458,686.30x = 633,008.07 × 254,738.14
  4. Step 4: Simplify right side
    458,686.30x = 161,251,298,356.79
  5. Step 5: Solve for x
    x = 161,251,298,356.79/458,686.30
  6. Step 6: Final answer
    x = 351,550.28

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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.