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Finding the Fourth Proportional to 522,062.20, 783,201.30 and 297,530.20

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Solution

The fourth proportional to 522,062.20, 783,201.30 and 297,530.20 is: 446,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,062.20 : 783,201.30 = 297,530.20 : x
  2. Step 2: Convert to fraction form
    522,062.20/783,201.30 = 297,530.20/x
  3. Step 3: Cross multiply
    522,062.20x = 783,201.30 × 297,530.20
  4. Step 4: Simplify right side
    522,062.20x = 233,026,039,429.26
  5. Step 5: Solve for x
    x = 233,026,039,429.26/522,062.20
  6. Step 6: Final answer
    x = 446,356.85

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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.