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Finding the Fourth Proportional to 533,872.61, 736,776.74 and 304,474.17

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Solution

The fourth proportional to 533,872.61, 736,776.74 and 304,474.17 is: 420,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,872.61 : 736,776.74 = 304,474.17 : x
  2. Step 2: Convert to fraction form
    533,872.61/736,776.74 = 304,474.17/x
  3. Step 3: Cross multiply
    533,872.61x = 736,776.74 × 304,474.17
  4. Step 4: Simplify right side
    533,872.61x = 224,329,483,266.18
  5. Step 5: Solve for x
    x = 224,329,483,266.18/533,872.61
  6. Step 6: Final answer
    x = 420,192.90

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Why These Related Problems?

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