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Finding the Fourth Proportional to 1,870,747.22, 2,805,248.46 and 971,947.32

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Solution

The fourth proportional to 1,870,747.22, 2,805,248.46 and 971,947.32 is: 1,457,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,747.22 : 2,805,248.46 = 971,947.32 : x
  2. Step 2: Convert to fraction form
    1,870,747.22/2,805,248.46 = 971,947.32/x
  3. Step 3: Cross multiply
    1,870,747.22x = 2,805,248.46 × 971,947.32
  4. Step 4: Simplify right side
    1,870,747.22x = 2,726,553,722,631.13
  5. Step 5: Solve for x
    x = 2,726,553,722,631.13/1,870,747.22
  6. Step 6: Final answer
    x = 1,457,467.74

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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.