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Finding the Fourth Proportional to 615,167.28, 848,937.24 and 343,259.76

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Solution

The fourth proportional to 615,167.28, 848,937.24 and 343,259.76 is: 473,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,167.28 : 848,937.24 = 343,259.76 : x
  2. Step 2: Convert to fraction form
    615,167.28/848,937.24 = 343,259.76/x
  3. Step 3: Cross multiply
    615,167.28x = 848,937.24 × 343,259.76
  4. Step 4: Simplify right side
    615,167.28x = 291,405,993,257.46
  5. Step 5: Solve for x
    x = 291,405,993,257.46/615,167.28
  6. Step 6: Final answer
    x = 473,702.04

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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.