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Finding the Fourth Proportional to 522,363.16, 783,544.74 and 148,337.56

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Solution

The fourth proportional to 522,363.16, 783,544.74 and 148,337.56 is: 222,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,363.16 : 783,544.74 = 148,337.56 : x
  2. Step 2: Convert to fraction form
    522,363.16/783,544.74 = 148,337.56/x
  3. Step 3: Cross multiply
    522,363.16x = 783,544.74 × 148,337.56
  4. Step 4: Simplify right side
    522,363.16x = 116,229,114,882.43
  5. Step 5: Solve for x
    x = 116,229,114,882.43/522,363.16
  6. Step 6: Final answer
    x = 222,506.34

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Similar ratio
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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.