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Finding the Fourth Proportional to 492,717.30, 739,075.95 and 374,619.30

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Solution

The fourth proportional to 492,717.30, 739,075.95 and 374,619.30 is: 561,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,717.30 : 739,075.95 = 374,619.30 : x
  2. Step 2: Convert to fraction form
    492,717.30/739,075.95 = 374,619.30/x
  3. Step 3: Cross multiply
    492,717.30x = 739,075.95 × 374,619.30
  4. Step 4: Simplify right side
    492,717.30x = 276,872,115,035.84
  5. Step 5: Solve for x
    x = 276,872,115,035.84/492,717.30
  6. Step 6: Final answer
    x = 561,928.95

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Similar ratio
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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.