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Finding the Fourth Proportional to 460,274.13, 635,173.18 and 256,320.59

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Solution

The fourth proportional to 460,274.13, 635,173.18 and 256,320.59 is: 353,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,274.13 : 635,173.18 = 256,320.59 : x
  2. Step 2: Convert to fraction form
    460,274.13/635,173.18 = 256,320.59/x
  3. Step 3: Cross multiply
    460,274.13x = 635,173.18 × 256,320.59
  4. Step 4: Simplify right side
    460,274.13x = 162,807,960,433.11
  5. Step 5: Solve for x
    x = 162,807,960,433.11/460,274.13
  6. Step 6: Final answer
    x = 353,719.55

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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.