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Finding the Fourth Proportional to 460,675.20, 635,703.85 and 253,934.55

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Solution

The fourth proportional to 460,675.20, 635,703.85 and 253,934.55 is: 350,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,675.20 : 635,703.85 = 253,934.55 : x
  2. Step 2: Convert to fraction form
    460,675.20/635,703.85 = 253,934.55/x
  3. Step 3: Cross multiply
    460,675.20x = 635,703.85 × 253,934.55
  4. Step 4: Simplify right side
    460,675.20x = 161,427,169,813.35
  5. Step 5: Solve for x
    x = 161,427,169,813.35/460,675.20
  6. Step 6: Final answer
    x = 350,414.28

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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.