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Finding the Fourth Proportional to 875,049.92, 1,317,302.02 and 787,064.48

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Solution

The fourth proportional to 875,049.92, 1,317,302.02 and 787,064.48 is: 1,184,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,049.92 : 1,317,302.02 = 787,064.48 : x
  2. Step 2: Convert to fraction form
    875,049.92/1,317,302.02 = 787,064.48/x
  3. Step 3: Cross multiply
    875,049.92x = 1,317,302.02 × 787,064.48
  4. Step 4: Simplify right side
    875,049.92x = 1,036,801,629,374.25
  5. Step 5: Solve for x
    x = 1,036,801,629,374.25/875,049.92
  6. Step 6: Final answer
    x = 1,184,848.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.