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Finding the Fourth Proportional to 493,358.04, 680,835.72 and 267,003.48

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Solution

The fourth proportional to 493,358.04, 680,835.72 and 267,003.48 is: 368,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,358.04 : 680,835.72 = 267,003.48 : x
  2. Step 2: Convert to fraction form
    493,358.04/680,835.72 = 267,003.48/x
  3. Step 3: Cross multiply
    493,358.04x = 680,835.72 × 267,003.48
  4. Step 4: Simplify right side
    493,358.04x = 181,785,506,548.31
  5. Step 5: Solve for x
    x = 181,785,506,548.31/493,358.04
  6. Step 6: Final answer
    x = 368,465.68

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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.