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Finding the Fourth Proportional to 460,520.70, 635,475.15 and 256,550.82

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Solution

The fourth proportional to 460,520.70, 635,475.15 and 256,550.82 is: 354,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,520.70 : 635,475.15 = 256,550.82 : x
  2. Step 2: Convert to fraction form
    460,520.70/635,475.15 = 256,550.82/x
  3. Step 3: Cross multiply
    460,520.70x = 635,475.15 × 256,550.82
  4. Step 4: Simplify right side
    460,520.70x = 163,031,670,822.12
  5. Step 5: Solve for x
    x = 163,031,670,822.12/460,520.70
  6. Step 6: Final answer
    x = 354,015.95

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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.