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Finding the Fourth Proportional to 615,098.88, 848,837.64 and 343,159.92

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Solution

The fourth proportional to 615,098.88, 848,837.64 and 343,159.92 is: 473,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,098.88 : 848,837.64 = 343,159.92 : x
  2. Step 2: Convert to fraction form
    615,098.88/848,837.64 = 343,159.92/x
  3. Step 3: Cross multiply
    615,098.88x = 848,837.64 × 343,159.92
  4. Step 4: Simplify right side
    615,098.88x = 291,287,056,635.39
  5. Step 5: Solve for x
    x = 291,287,056,635.39/615,098.88
  6. Step 6: Final answer
    x = 473,561.35

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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.