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Finding the Fourth Proportional to 460,747.73, 635,809.44 and 256,820.91

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Solution

The fourth proportional to 460,747.73, 635,809.44 and 256,820.91 is: 354,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,747.73 : 635,809.44 = 256,820.91 : x
  2. Step 2: Convert to fraction form
    460,747.73/635,809.44 = 256,820.91/x
  3. Step 3: Cross multiply
    460,747.73x = 635,809.44 × 256,820.91
  4. Step 4: Simplify right side
    460,747.73x = 163,289,158,967.39
  5. Step 5: Solve for x
    x = 163,289,158,967.39/460,747.73
  6. Step 6: Final answer
    x = 354,400.36

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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.