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Finding the Fourth Proportional to 1,248,831, 1,723,383.54 and 675,871.02

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Solution

The fourth proportional to 1,248,831, 1,723,383.54 and 675,871.02 is: 932,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,831 : 1,723,383.54 = 675,871.02 : x
  2. Step 2: Convert to fraction form
    1,248,831/1,723,383.54 = 675,871.02/x
  3. Step 3: Cross multiply
    1,248,831x = 1,723,383.54 × 675,871.02
  4. Step 4: Simplify right side
    1,248,831x = 1,164,784,991,031.01
  5. Step 5: Solve for x
    x = 1,164,784,991,031.01/1,248,831
  6. Step 6: Final answer
    x = 932,700.25

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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.