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Finding the Fourth Proportional to 615,059.13, 848,781.96 and 343,127.02

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Solution

The fourth proportional to 615,059.13, 848,781.96 and 343,127.02 is: 473,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,059.13 : 848,781.96 = 343,127.02 : x
  2. Step 2: Convert to fraction form
    615,059.13/848,781.96 = 343,127.02/x
  3. Step 3: Cross multiply
    615,059.13x = 848,781.96 × 343,127.02
  4. Step 4: Simplify right side
    615,059.13x = 291,240,024,564.56
  5. Step 5: Solve for x
    x = 291,240,024,564.56/615,059.13
  6. Step 6: Final answer
    x = 473,515.49

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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.