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Finding the Fourth Proportional to 702,299.84, 969,005.22 and 426,652.18

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Solution

The fourth proportional to 702,299.84, 969,005.22 and 426,652.18 is: 588,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,299.84 : 969,005.22 = 426,652.18 : x
  2. Step 2: Convert to fraction form
    702,299.84/969,005.22 = 426,652.18/x
  3. Step 3: Cross multiply
    702,299.84x = 969,005.22 × 426,652.18
  4. Step 4: Simplify right side
    702,299.84x = 413,428,189,544.38
  5. Step 5: Solve for x
    x = 413,428,189,544.38/702,299.84
  6. Step 6: Final answer
    x = 588,677.61

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1.5x scale

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.