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Finding the Fourth Proportional to 484,174.40, 668,179.68 and 293,079.68

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Solution

The fourth proportional to 484,174.40, 668,179.68 and 293,079.68 is: 404,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,174.40 : 668,179.68 = 293,079.68 : x
  2. Step 2: Convert to fraction form
    484,174.40/668,179.68 = 293,079.68/x
  3. Step 3: Cross multiply
    484,174.40x = 668,179.68 × 293,079.68
  4. Step 4: Simplify right side
    484,174.40x = 195,829,886,796.90
  5. Step 5: Solve for x
    x = 195,829,886,796.90/484,174.40
  6. Step 6: Final answer
    x = 404,461.46

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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.