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Finding the Fourth Proportional to 516,007.70, 772,261.95 and 453,022.10

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Solution

The fourth proportional to 516,007.70, 772,261.95 and 453,022.10 is: 677,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,007.70 : 772,261.95 = 453,022.10 : x
  2. Step 2: Convert to fraction form
    516,007.70/772,261.95 = 453,022.10/x
  3. Step 3: Cross multiply
    516,007.70x = 772,261.95 × 453,022.10
  4. Step 4: Simplify right side
    516,007.70x = 349,851,730,339.10
  5. Step 5: Solve for x
    x = 349,851,730,339.10/516,007.70
  6. Step 6: Final answer
    x = 677,997.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.