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Finding the Fourth Proportional to 530,859.30, 797,844.15 and 521,528.10

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Solution

The fourth proportional to 530,859.30, 797,844.15 and 521,528.10 is: 783,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,859.30 : 797,844.15 = 521,528.10 : x
  2. Step 2: Convert to fraction form
    530,859.30/797,844.15 = 521,528.10/x
  3. Step 3: Cross multiply
    530,859.30x = 797,844.15 × 521,528.10
  4. Step 4: Simplify right side
    530,859.30x = 416,098,143,645.62
  5. Step 5: Solve for x
    x = 416,098,143,645.62/530,859.30
  6. Step 6: Final answer
    x = 783,820.01

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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.