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Finding the Fourth Proportional to 824,896.60, 1,237,344.90 and 725,169.40

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Solution

The fourth proportional to 824,896.60, 1,237,344.90 and 725,169.40 is: 1,087,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,896.60 : 1,237,344.90 = 725,169.40 : x
  2. Step 2: Convert to fraction form
    824,896.60/1,237,344.90 = 725,169.40/x
  3. Step 3: Cross multiply
    824,896.60x = 1,237,344.90 × 725,169.40
  4. Step 4: Simplify right side
    824,896.60x = 897,284,658,726.06
  5. Step 5: Solve for x
    x = 897,284,658,726.06/824,896.60
  6. Step 6: Final answer
    x = 1,087,754.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.