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Finding the Fourth Proportional to 1,894,819.44, 2,842,327.59 and 947,870.31

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Solution

The fourth proportional to 1,894,819.44, 2,842,327.59 and 947,870.31 is: 1,421,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,819.44 : 2,842,327.59 = 947,870.31 : x
  2. Step 2: Convert to fraction form
    1,894,819.44/2,842,327.59 = 947,870.31/x
  3. Step 3: Cross multiply
    1,894,819.44x = 2,842,327.59 × 947,870.31
  4. Step 4: Simplify right side
    1,894,819.44x = 2,694,157,933,854.85
  5. Step 5: Solve for x
    x = 2,694,157,933,854.85/1,894,819.44
  6. Step 6: Final answer
    x = 1,421,854.70

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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.