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Finding the Fourth Proportional to 584,716.12, 806,854.77 and 342,954.20

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Solution

The fourth proportional to 584,716.12, 806,854.77 and 342,954.20 is: 473,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,716.12 : 806,854.77 = 342,954.20 : x
  2. Step 2: Convert to fraction form
    584,716.12/806,854.77 = 342,954.20/x
  3. Step 3: Cross multiply
    584,716.12x = 806,854.77 × 342,954.20
  4. Step 4: Simplify right side
    584,716.12x = 276,714,234,178.67
  5. Step 5: Solve for x
    x = 276,714,234,178.67/584,716.12
  6. Step 6: Final answer
    x = 473,245.44

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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.