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Finding the Fourth Proportional to 584,690.58, 806,873.13 and 316,418.58

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Solution

The fourth proportional to 584,690.58, 806,873.13 and 316,418.58 is: 436,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,690.58 : 806,873.13 = 316,418.58 : x
  2. Step 2: Convert to fraction form
    584,690.58/806,873.13 = 316,418.58/x
  3. Step 3: Cross multiply
    584,690.58x = 806,873.13 × 316,418.58
  4. Step 4: Simplify right side
    584,690.58x = 255,309,650,034.76
  5. Step 5: Solve for x
    x = 255,309,650,034.76/584,690.58
  6. Step 6: Final answer
    x = 436,657.71

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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.