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Finding the Fourth Proportional to 707,690.44, 976,653.84 and 532,947.79

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Solution

The fourth proportional to 707,690.44, 976,653.84 and 532,947.79 is: 735,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,690.44 : 976,653.84 = 532,947.79 : x
  2. Step 2: Convert to fraction form
    707,690.44/976,653.84 = 532,947.79/x
  3. Step 3: Cross multiply
    707,690.44x = 976,653.84 × 532,947.79
  4. Step 4: Simplify right side
    707,690.44x = 520,505,505,623.01
  5. Step 5: Solve for x
    x = 520,505,505,623.01/707,690.44
  6. Step 6: Final answer
    x = 735,498.85

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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.