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Finding the Fourth Proportional to 566,448.54, 781,607.52 and 324,686.63

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Solution

The fourth proportional to 566,448.54, 781,607.52 and 324,686.63 is: 448,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,448.54 : 781,607.52 = 324,686.63 : x
  2. Step 2: Convert to fraction form
    566,448.54/781,607.52 = 324,686.63/x
  3. Step 3: Cross multiply
    566,448.54x = 781,607.52 × 324,686.63
  4. Step 4: Simplify right side
    566,448.54x = 253,777,507,743.42
  5. Step 5: Solve for x
    x = 253,777,507,743.42/566,448.54
  6. Step 6: Final answer
    x = 448,015.11

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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.