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Finding the Fourth Proportional to 458,958.33, 633,360.47 and 255,042.45

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Solution

The fourth proportional to 458,958.33, 633,360.47 and 255,042.45 is: 351,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,958.33 : 633,360.47 = 255,042.45 : x
  2. Step 2: Convert to fraction form
    458,958.33/633,360.47 = 255,042.45/x
  3. Step 3: Cross multiply
    458,958.33x = 633,360.47 × 255,042.45
  4. Step 4: Simplify right side
    458,958.33x = 161,533,804,726.74
  5. Step 5: Solve for x
    x = 161,533,804,726.74/458,958.33
  6. Step 6: Final answer
    x = 351,957.45

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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.