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Finding the Fourth Proportional to 460,673.92, 635,730.62 and 256,720.38

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Solution

The fourth proportional to 460,673.92, 635,730.62 and 256,720.38 is: 354,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,673.92 : 635,730.62 = 256,720.38 : x
  2. Step 2: Convert to fraction form
    460,673.92/635,730.62 = 256,720.38/x
  3. Step 3: Cross multiply
    460,673.92x = 635,730.62 × 256,720.38
  4. Step 4: Simplify right side
    460,673.92x = 163,205,006,344.04
  5. Step 5: Solve for x
    x = 163,205,006,344.04/460,673.92
  6. Step 6: Final answer
    x = 354,274.46

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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.