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Finding the Fourth Proportional to 523,634.60, 786,634.28 and 310,542.29

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Solution

The fourth proportional to 523,634.60, 786,634.28 and 310,542.29 is: 466,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,634.60 : 786,634.28 = 310,542.29 : x
  2. Step 2: Convert to fraction form
    523,634.60/786,634.28 = 310,542.29/x
  3. Step 3: Cross multiply
    523,634.60x = 786,634.28 × 310,542.29
  4. Step 4: Simplify right side
    523,634.60x = 244,283,205,217.82
  5. Step 5: Solve for x
    x = 244,283,205,217.82/523,634.60
  6. Step 6: Final answer
    x = 466,514.64

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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.