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Finding the Fourth Proportional to 615,713.41, 849,737.04 and 343,833.85

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Solution

The fourth proportional to 615,713.41, 849,737.04 and 343,833.85 is: 474,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,713.41 : 849,737.04 = 343,833.85 : x
  2. Step 2: Convert to fraction form
    615,713.41/849,737.04 = 343,833.85/x
  3. Step 3: Cross multiply
    615,713.41x = 849,737.04 × 343,833.85
  4. Step 4: Simplify right side
    615,713.41x = 292,168,358,946.24
  5. Step 5: Solve for x
    x = 292,168,358,946.24/615,713.41
  6. Step 6: Final answer
    x = 474,520.05

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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.