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Finding the Fourth Proportional to 1,202,744, 1,804,222.56 and 316,280

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Solution

The fourth proportional to 1,202,744, 1,804,222.56 and 316,280 is: 474,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,744 : 1,804,222.56 = 316,280 : x
  2. Step 2: Convert to fraction form
    1,202,744/1,804,222.56 = 316,280/x
  3. Step 3: Cross multiply
    1,202,744x = 1,804,222.56 × 316,280
  4. Step 4: Simplify right side
    1,202,744x = 570,639,511,276.80
  5. Step 5: Solve for x
    x = 570,639,511,276.80/1,202,744
  6. Step 6: Final answer
    x = 474,448.02

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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.