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Finding the Fourth Proportional to 458,859.87, 633,456.86 and 286,873.38

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Solution

The fourth proportional to 458,859.87, 633,456.86 and 286,873.38 is: 396,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,859.87 : 633,456.86 = 286,873.38 : x
  2. Step 2: Convert to fraction form
    458,859.87/633,456.86 = 286,873.38/x
  3. Step 3: Cross multiply
    458,859.87x = 633,456.86 × 286,873.38
  4. Step 4: Simplify right side
    458,859.87x = 181,721,909,078.02
  5. Step 5: Solve for x
    x = 181,721,909,078.02/458,859.87
  6. Step 6: Final answer
    x = 396,029.20

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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.