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Finding the Fourth Proportional to 460,760.70, 635,856.09 and 256,805.94

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Solution

The fourth proportional to 460,760.70, 635,856.09 and 256,805.94 is: 354,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,760.70 : 635,856.09 = 256,805.94 : x
  2. Step 2: Convert to fraction form
    460,760.70/635,856.09 = 256,805.94/x
  3. Step 3: Cross multiply
    460,760.70x = 635,856.09 × 256,805.94
  4. Step 4: Simplify right side
    460,760.70x = 163,291,620,897.18
  5. Step 5: Solve for x
    x = 163,291,620,897.18/460,760.70
  6. Step 6: Final answer
    x = 354,395.72

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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.