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Finding the Fourth Proportional to 487,785.77, 673,162.38 and 267,038.53

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Solution

The fourth proportional to 487,785.77, 673,162.38 and 267,038.53 is: 368,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,785.77 : 673,162.38 = 267,038.53 : x
  2. Step 2: Convert to fraction form
    487,785.77/673,162.38 = 267,038.53/x
  3. Step 3: Cross multiply
    487,785.77x = 673,162.38 × 267,038.53
  4. Step 4: Simplify right side
    487,785.77x = 179,760,292,406.50
  5. Step 5: Solve for x
    x = 179,760,292,406.50/487,785.77
  6. Step 6: Final answer
    x = 368,523.04

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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.