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Finding the Fourth Proportional to 1,357,793.58, 1,873,747.32 and 745,933.16

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Solution

The fourth proportional to 1,357,793.58, 1,873,747.32 and 745,933.16 is: 1,029,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,793.58 : 1,873,747.32 = 745,933.16 : x
  2. Step 2: Convert to fraction form
    1,357,793.58/1,873,747.32 = 745,933.16/x
  3. Step 3: Cross multiply
    1,357,793.58x = 1,873,747.32 × 745,933.16
  4. Step 4: Simplify right side
    1,357,793.58x = 1,397,690,259,449.13
  5. Step 5: Solve for x
    x = 1,397,690,259,449.13/1,357,793.58
  6. Step 6: Final answer
    x = 1,029,383.46

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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.