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Finding the Fourth Proportional to 495,046.16, 683,164.48 and 268,691.76

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Solution

The fourth proportional to 495,046.16, 683,164.48 and 268,691.76 is: 370,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,046.16 : 683,164.48 = 268,691.76 : x
  2. Step 2: Convert to fraction form
    495,046.16/683,164.48 = 268,691.76/x
  3. Step 3: Cross multiply
    495,046.16x = 683,164.48 × 268,691.76
  4. Step 4: Simplify right side
    495,046.16x = 183,560,666,500.69
  5. Step 5: Solve for x
    x = 183,560,666,500.69/495,046.16
  6. Step 6: Final answer
    x = 370,795.05

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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.