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Finding the Fourth Proportional to 702,600.74, 969,607.83 and 426,864.74

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Solution

The fourth proportional to 702,600.74, 969,607.83 and 426,864.74 is: 589,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,600.74 : 969,607.83 = 426,864.74 : x
  2. Step 2: Convert to fraction form
    702,600.74/969,607.83 = 426,864.74/x
  3. Step 3: Cross multiply
    702,600.74x = 969,607.83 × 426,864.74
  4. Step 4: Simplify right side
    702,600.74x = 413,891,394,254.91
  5. Step 5: Solve for x
    x = 413,891,394,254.91/702,600.74
  6. Step 6: Final answer
    x = 589,084.77

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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.