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Finding the Fourth Proportional to 526,443.33, 726,581.13 and 297,065.64

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Solution

The fourth proportional to 526,443.33, 726,581.13 and 297,065.64 is: 410,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,443.33 : 726,581.13 = 297,065.64 : x
  2. Step 2: Convert to fraction form
    526,443.33/726,581.13 = 297,065.64/x
  3. Step 3: Cross multiply
    526,443.33x = 726,581.13 × 297,065.64
  4. Step 4: Simplify right side
    526,443.33x = 215,842,288,395.37
  5. Step 5: Solve for x
    x = 215,842,288,395.37/526,443.33
  6. Step 6: Final answer
    x = 410,000.99

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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.