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Finding the Fourth Proportional to 1,913,023.02, 2,869,451.51 and 714,955.73

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Solution

The fourth proportional to 1,913,023.02, 2,869,451.51 and 714,955.73 is: 1,072,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,023.02 : 2,869,451.51 = 714,955.73 : x
  2. Step 2: Convert to fraction form
    1,913,023.02/2,869,451.51 = 714,955.73/x
  3. Step 3: Cross multiply
    1,913,023.02x = 2,869,451.51 × 714,955.73
  4. Step 4: Simplify right side
    1,913,023.02x = 2,051,530,781,109.62
  5. Step 5: Solve for x
    x = 2,051,530,781,109.62/1,913,023.02
  6. Step 6: Final answer
    x = 1,072,402.56

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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.