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Finding the Fourth Proportional to 524,246.10, 785,332.35 and 486,921.30

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Solution

The fourth proportional to 524,246.10, 785,332.35 and 486,921.30 is: 729,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,246.10 : 785,332.35 = 486,921.30 : x
  2. Step 2: Convert to fraction form
    524,246.10/785,332.35 = 486,921.30/x
  3. Step 3: Cross multiply
    524,246.10x = 785,332.35 × 486,921.30
  4. Step 4: Simplify right side
    524,246.10x = 382,395,048,794.06
  5. Step 5: Solve for x
    x = 382,395,048,794.06/524,246.10
  6. Step 6: Final answer
    x = 729,418.97

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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.