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Finding the Fourth Proportional to 1,308,272.04, 1,805,565 and 727,553.04

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Solution

The fourth proportional to 1,308,272.04, 1,805,565 and 727,553.04 is: 1,004,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,272.04 : 1,805,565 = 727,553.04 : x
  2. Step 2: Convert to fraction form
    1,308,272.04/1,805,565 = 727,553.04/x
  3. Step 3: Cross multiply
    1,308,272.04x = 1,805,565 × 727,553.04
  4. Step 4: Simplify right side
    1,308,272.04x = 1,313,644,304,667.60
  5. Step 5: Solve for x
    x = 1,313,644,304,667.60/1,308,272.04
  6. Step 6: Final answer
    x = 1,004,106.38

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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.