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Finding the Fourth Proportional to 1,202,736, 1,804,210.56 and 316,272

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Solution

The fourth proportional to 1,202,736, 1,804,210.56 and 316,272 is: 474,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,736 : 1,804,210.56 = 316,272 : x
  2. Step 2: Convert to fraction form
    1,202,736/1,804,210.56 = 316,272/x
  3. Step 3: Cross multiply
    1,202,736x = 1,804,210.56 × 316,272
  4. Step 4: Simplify right side
    1,202,736x = 570,621,282,232.32
  5. Step 5: Solve for x
    x = 570,621,282,232.32/1,202,736
  6. Step 6: Final answer
    x = 474,436.02

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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.