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Finding the Fourth Proportional to 460,492.12, 635,469.48 and 256,542.76

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Solution

The fourth proportional to 460,492.12, 635,469.48 and 256,542.76 is: 354,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,492.12 : 635,469.48 = 256,542.76 : x
  2. Step 2: Convert to fraction form
    460,492.12/635,469.48 = 256,542.76/x
  3. Step 3: Cross multiply
    460,492.12x = 635,469.48 × 256,542.76
  4. Step 4: Simplify right side
    460,492.12x = 163,025,094,294.97
  5. Step 5: Solve for x
    x = 163,025,094,294.97/460,492.12
  6. Step 6: Final answer
    x = 354,023.64

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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.