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Finding the Fourth Proportional to 965,891.10, 1,332,863.04 and 536,137.40

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Solution

The fourth proportional to 965,891.10, 1,332,863.04 and 536,137.40 is: 739,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,891.10 : 1,332,863.04 = 536,137.40 : x
  2. Step 2: Convert to fraction form
    965,891.10/1,332,863.04 = 536,137.40/x
  3. Step 3: Cross multiply
    965,891.10x = 1,332,863.04 × 536,137.40
  4. Step 4: Simplify right side
    965,891.10x = 714,597,724,821.70
  5. Step 5: Solve for x
    x = 714,597,724,821.70/965,891.10
  6. Step 6: Final answer
    x = 739,832.60

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Double scale
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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.