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Finding the Fourth Proportional to 1,232,210.97, 1,848,966.89 and 874,691.15

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Solution

The fourth proportional to 1,232,210.97, 1,848,966.89 and 874,691.15 is: 1,312,498.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,210.97 : 1,848,966.89 = 874,691.15 : x
  2. Step 2: Convert to fraction form
    1,232,210.97/1,848,966.89 = 874,691.15/x
  3. Step 3: Cross multiply
    1,232,210.97x = 1,848,966.89 × 874,691.15
  4. Step 4: Simplify right side
    1,232,210.97x = 1,617,274,961,707.73
  5. Step 5: Solve for x
    x = 1,617,274,961,707.73/1,232,210.97
  6. Step 6: Final answer
    x = 1,312,498.43

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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.