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Finding the Fourth Proportional to 698,175.72, 964,050.66 and 569,134.44

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Solution

The fourth proportional to 698,175.72, 964,050.66 and 569,134.44 is: 785,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,175.72 : 964,050.66 = 569,134.44 : x
  2. Step 2: Convert to fraction form
    698,175.72/964,050.66 = 569,134.44/x
  3. Step 3: Cross multiply
    698,175.72x = 964,050.66 × 569,134.44
  4. Step 4: Simplify right side
    698,175.72x = 548,674,432,510.73
  5. Step 5: Solve for x
    x = 548,674,432,510.73/698,175.72
  6. Step 6: Final answer
    x = 785,868.68

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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.