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Finding the Fourth Proportional to 598,098.40, 825,395.57 and 326,188.69

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Solution

The fourth proportional to 598,098.40, 825,395.57 and 326,188.69 is: 450,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,098.40 : 825,395.57 = 326,188.69 : x
  2. Step 2: Convert to fraction form
    598,098.40/825,395.57 = 326,188.69/x
  3. Step 3: Cross multiply
    598,098.40x = 825,395.57 × 326,188.69
  4. Step 4: Simplify right side
    598,098.40x = 269,234,697,238.88
  5. Step 5: Solve for x
    x = 269,234,697,238.88/598,098.40
  6. Step 6: Final answer
    x = 450,151.18

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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.