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Finding the Fourth Proportional to 615,186.57, 848,959.82 and 343,265.93

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Solution

The fourth proportional to 615,186.57, 848,959.82 and 343,265.93 is: 473,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,186.57 : 848,959.82 = 343,265.93 : x
  2. Step 2: Convert to fraction form
    615,186.57/848,959.82 = 343,265.93/x
  3. Step 3: Cross multiply
    615,186.57x = 848,959.82 × 343,265.93
  4. Step 4: Simplify right side
    615,186.57x = 291,418,980,654.65
  5. Step 5: Solve for x
    x = 291,418,980,654.65/615,186.57
  6. Step 6: Final answer
    x = 473,708.29

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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.