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Finding the Fourth Proportional to 1,304,906.64, 1,804,323.24 and 1,136,945.04

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Solution

The fourth proportional to 1,304,906.64, 1,804,323.24 and 1,136,945.04 is: 1,572,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,906.64 : 1,804,323.24 = 1,136,945.04 : x
  2. Step 2: Convert to fraction form
    1,304,906.64/1,804,323.24 = 1,136,945.04/x
  3. Step 3: Cross multiply
    1,304,906.64x = 1,804,323.24 × 1,136,945.04
  4. Step 4: Simplify right side
    1,304,906.64x = 2,051,416,358,274.73
  5. Step 5: Solve for x
    x = 2,051,416,358,274.73/1,304,906.64
  6. Step 6: Final answer
    x = 1,572,079.02

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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.