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Finding the Fourth Proportional to 615,983.27, 850,047.93 and 344,055.02

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Solution

The fourth proportional to 615,983.27, 850,047.93 and 344,055.02 is: 474,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,983.27 : 850,047.93 = 344,055.02 : x
  2. Step 2: Convert to fraction form
    615,983.27/850,047.93 = 344,055.02/x
  3. Step 3: Cross multiply
    615,983.27x = 850,047.93 × 344,055.02
  4. Step 4: Simplify right side
    615,983.27x = 292,463,253,306.87
  5. Step 5: Solve for x
    x = 292,463,253,306.87/615,983.27
  6. Step 6: Final answer
    x = 474,790.91

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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.