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Finding the Fourth Proportional to 714,576.08, 986,270.28 and 488,761.04

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Solution

The fourth proportional to 714,576.08, 986,270.28 and 488,761.04 is: 674,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,576.08 : 986,270.28 = 488,761.04 : x
  2. Step 2: Convert to fraction form
    714,576.08/986,270.28 = 488,761.04/x
  3. Step 3: Cross multiply
    714,576.08x = 986,270.28 × 488,761.04
  4. Step 4: Simplify right side
    714,576.08x = 482,050,487,773.89
  5. Step 5: Solve for x
    x = 482,050,487,773.89/714,576.08
  6. Step 6: Final answer
    x = 674,596.45

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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.