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Finding the Fourth Proportional to 526,514.94, 726,588.54 and 284,797.20

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Solution

The fourth proportional to 526,514.94, 726,588.54 and 284,797.20 is: 393,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,514.94 : 726,588.54 = 284,797.20 : x
  2. Step 2: Convert to fraction form
    526,514.94/726,588.54 = 284,797.20/x
  3. Step 3: Cross multiply
    526,514.94x = 726,588.54 × 284,797.20
  4. Step 4: Simplify right side
    526,514.94x = 206,930,381,744.09
  5. Step 5: Solve for x
    x = 206,930,381,744.09/526,514.94
  6. Step 6: Final answer
    x = 393,019.01

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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.