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Finding the Fourth Proportional to 543,134.16, 819,585.54 and 524,369.70

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Solution

The fourth proportional to 543,134.16, 819,585.54 and 524,369.70 is: 791,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,134.16 : 819,585.54 = 524,369.70 : x
  2. Step 2: Convert to fraction form
    543,134.16/819,585.54 = 524,369.70/x
  3. Step 3: Cross multiply
    543,134.16x = 819,585.54 × 524,369.70
  4. Step 4: Simplify right side
    543,134.16x = 429,765,823,734.14
  5. Step 5: Solve for x
    x = 429,765,823,734.14/543,134.16
  6. Step 6: Final answer
    x = 791,270.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.