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Finding the Fourth Proportional to 703,853.15, 971,694.21 and 550,565.64

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Solution

The fourth proportional to 703,853.15, 971,694.21 and 550,565.64 is: 760,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,853.15 : 971,694.21 = 550,565.64 : x
  2. Step 2: Convert to fraction form
    703,853.15/971,694.21 = 550,565.64/x
  3. Step 3: Cross multiply
    703,853.15x = 971,694.21 × 550,565.64
  4. Step 4: Simplify right side
    703,853.15x = 534,981,444,612.94
  5. Step 5: Solve for x
    x = 534,981,444,612.94/703,853.15
  6. Step 6: Final answer
    x = 760,075.38

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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.