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Finding the Fourth Proportional to 584,379.66, 806,456.52 and 322,734.15

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Solution

The fourth proportional to 584,379.66, 806,456.52 and 322,734.15 is: 445,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,379.66 : 806,456.52 = 322,734.15 : x
  2. Step 2: Convert to fraction form
    584,379.66/806,456.52 = 322,734.15/x
  3. Step 3: Cross multiply
    584,379.66x = 806,456.52 × 322,734.15
  4. Step 4: Simplify right side
    584,379.66x = 260,271,059,494.16
  5. Step 5: Solve for x
    x = 260,271,059,494.16/584,379.66
  6. Step 6: Final answer
    x = 445,380.08

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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.