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Finding the Fourth Proportional to 463,081.52, 638,439.90 and 333,911.90

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Solution

The fourth proportional to 463,081.52, 638,439.90 and 333,911.90 is: 460,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,081.52 : 638,439.90 = 333,911.90 : x
  2. Step 2: Convert to fraction form
    463,081.52/638,439.90 = 333,911.90/x
  3. Step 3: Cross multiply
    463,081.52x = 638,439.90 × 333,911.90
  4. Step 4: Simplify right side
    463,081.52x = 213,182,680,044.81
  5. Step 5: Solve for x
    x = 213,182,680,044.81/463,081.52
  6. Step 6: Final answer
    x = 460,356.70

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1.5x scale

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.