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Finding the Fourth Proportional to 493,385.27, 680,871.66 and 267,030.77

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Solution

The fourth proportional to 493,385.27, 680,871.66 and 267,030.77 is: 368,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,385.27 : 680,871.66 = 267,030.77 : x
  2. Step 2: Convert to fraction form
    493,385.27/680,871.66 = 267,030.77/x
  3. Step 3: Cross multiply
    493,385.27x = 680,871.66 × 267,030.77
  4. Step 4: Simplify right side
    493,385.27x = 181,813,683,640.98
  5. Step 5: Solve for x
    x = 181,813,683,640.98/493,385.27
  6. Step 6: Final answer
    x = 368,502.46

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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.