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Finding the Fourth Proportional to 460,463.88, 635,459.40 and 256,514.76

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Solution

The fourth proportional to 460,463.88, 635,459.40 and 256,514.76 is: 354,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,463.88 : 635,459.40 = 256,514.76 : x
  2. Step 2: Convert to fraction form
    460,463.88/635,459.40 = 256,514.76/x
  3. Step 3: Cross multiply
    460,463.88x = 635,459.40 × 256,514.76
  4. Step 4: Simplify right side
    460,463.88x = 163,004,715,480.74
  5. Step 5: Solve for x
    x = 163,004,715,480.74/460,463.88
  6. Step 6: Final answer
    x = 354,001.09

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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.