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Finding the Fourth Proportional to 957,825.51, 1,321,809.51 and 522,239.27

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Solution

The fourth proportional to 957,825.51, 1,321,809.51 and 522,239.27 is: 720,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,825.51 : 1,321,809.51 = 522,239.27 : x
  2. Step 2: Convert to fraction form
    957,825.51/1,321,809.51 = 522,239.27/x
  3. Step 3: Cross multiply
    957,825.51x = 1,321,809.51 × 522,239.27
  4. Step 4: Simplify right side
    957,825.51x = 690,300,838,614.78
  5. Step 5: Solve for x
    x = 690,300,838,614.78/957,825.51
  6. Step 6: Final answer
    x = 720,695.82

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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.