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Finding the Fourth Proportional to 498,026.88, 687,277.44 and 271,684.80

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Solution

The fourth proportional to 498,026.88, 687,277.44 and 271,684.80 is: 374,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,026.88 : 687,277.44 = 271,684.80 : x
  2. Step 2: Convert to fraction form
    498,026.88/687,277.44 = 271,684.80/x
  3. Step 3: Cross multiply
    498,026.88x = 687,277.44 × 271,684.80
  4. Step 4: Simplify right side
    498,026.88x = 186,722,833,830.91
  5. Step 5: Solve for x
    x = 186,722,833,830.91/498,026.88
  6. Step 6: Final answer
    x = 374,925.21

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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.