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Finding the Fourth Proportional to 458,326.66, 632,481.27 and 254,365.62

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Solution

The fourth proportional to 458,326.66, 632,481.27 and 254,365.62 is: 351,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,326.66 : 632,481.27 = 254,365.62 : x
  2. Step 2: Convert to fraction form
    458,326.66/632,481.27 = 254,365.62/x
  3. Step 3: Cross multiply
    458,326.66x = 632,481.27 × 254,365.62
  4. Step 4: Simplify right side
    458,326.66x = 160,881,490,381.94
  5. Step 5: Solve for x
    x = 160,881,490,381.94/458,326.66
  6. Step 6: Final answer
    x = 351,019.27

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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.