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Finding the Fourth Proportional to 372,273.70, 558,410.55 and 268,075.30

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Solution

The fourth proportional to 372,273.70, 558,410.55 and 268,075.30 is: 402,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,273.70 : 558,410.55 = 268,075.30 : x
  2. Step 2: Convert to fraction form
    372,273.70/558,410.55 = 268,075.30/x
  3. Step 3: Cross multiply
    372,273.70x = 558,410.55 × 268,075.30
  4. Step 4: Simplify right side
    372,273.70x = 149,696,075,714.42
  5. Step 5: Solve for x
    x = 149,696,075,714.42/372,273.70
  6. Step 6: Final answer
    x = 402,112.95

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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.