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Finding the Fourth Proportional to 522,239.38, 783,404.62 and 148,262.38

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Solution

The fourth proportional to 522,239.38, 783,404.62 and 148,262.38 is: 222,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,239.38 : 783,404.62 = 148,262.38 : x
  2. Step 2: Convert to fraction form
    522,239.38/783,404.62 = 148,262.38/x
  3. Step 3: Cross multiply
    522,239.38x = 783,404.62 × 148,262.38
  4. Step 4: Simplify right side
    522,239.38x = 116,149,433,464.20
  5. Step 5: Solve for x
    x = 116,149,433,464.20/522,239.38
  6. Step 6: Final answer
    x = 222,406.50

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1.5x scale

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.