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Finding the Fourth Proportional to 526,508.10, 726,518.67 and 297,052.01

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Solution

The fourth proportional to 526,508.10, 726,518.67 and 297,052.01 is: 409,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,508.10 : 726,518.67 = 297,052.01 : x
  2. Step 2: Convert to fraction form
    526,508.10/726,518.67 = 297,052.01/x
  3. Step 3: Cross multiply
    526,508.10x = 726,518.67 × 297,052.01
  4. Step 4: Simplify right side
    526,508.10x = 215,813,829,203.93
  5. Step 5: Solve for x
    x = 215,813,829,203.93/526,508.10
  6. Step 6: Final answer
    x = 409,896.50

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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.