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Finding the Fourth Proportional to 1,504.31, 2,075.76 and 841.19

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Solution

The fourth proportional to 1,504.31, 2,075.76 and 841.19 is: 1,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.31 : 2,075.76 = 841.19 : x
  2. Step 2: Convert to fraction form
    1,504.31/2,075.76 = 841.19/x
  3. Step 3: Cross multiply
    1,504.31x = 2,075.76 × 841.19
  4. Step 4: Simplify right side
    1,504.31x = 1,746,098.18
  5. Step 5: Solve for x
    x = 1,746,098.18/1,504.31
  6. Step 6: Final answer
    x = 1,160.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.