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Finding the Fourth Proportional to 1,095,569.80, 1,643,354.70 and 927,608.20

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Solution

The fourth proportional to 1,095,569.80, 1,643,354.70 and 927,608.20 is: 1,391,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,569.80 : 1,643,354.70 = 927,608.20 : x
  2. Step 2: Convert to fraction form
    1,095,569.80/1,643,354.70 = 927,608.20/x
  3. Step 3: Cross multiply
    1,095,569.80x = 1,643,354.70 × 927,608.20
  4. Step 4: Simplify right side
    1,095,569.80x = 1,524,389,295,228.54
  5. Step 5: Solve for x
    x = 1,524,389,295,228.54/1,095,569.80
  6. Step 6: Final answer
    x = 1,391,412.30

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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.