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Finding the Fourth Proportional to 1,410,690.74, 1,947,348.96 and 952,426.10

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Solution

The fourth proportional to 1,410,690.74, 1,947,348.96 and 952,426.10 is: 1,314,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,690.74 : 1,947,348.96 = 952,426.10 : x
  2. Step 2: Convert to fraction form
    1,410,690.74/1,947,348.96 = 952,426.10/x
  3. Step 3: Cross multiply
    1,410,690.74x = 1,947,348.96 × 952,426.10
  4. Step 4: Simplify right side
    1,410,690.74x = 1,854,705,975,311.86
  5. Step 5: Solve for x
    x = 1,854,705,975,311.86/1,410,690.74
  6. Step 6: Final answer
    x = 1,314,750.23

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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.