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Finding the Fourth Proportional to 526,455.48, 726,506.40 and 284,738.32

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Solution

The fourth proportional to 526,455.48, 726,506.40 and 284,738.32 is: 392,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,455.48 : 726,506.40 = 284,738.32 : x
  2. Step 2: Convert to fraction form
    526,455.48/726,506.40 = 284,738.32/x
  3. Step 3: Cross multiply
    526,455.48x = 726,506.40 × 284,738.32
  4. Step 4: Simplify right side
    526,455.48x = 206,864,211,805.25
  5. Step 5: Solve for x
    x = 206,864,211,805.25/526,455.48
  6. Step 6: Final answer
    x = 392,937.71

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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.