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Finding the Fourth Proportional to 341,504.82, 512,617.95 and 191,872.98

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Solution

The fourth proportional to 341,504.82, 512,617.95 and 191,872.98 is: 288,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,504.82 : 512,617.95 = 191,872.98 : x
  2. Step 2: Convert to fraction form
    341,504.82/512,617.95 = 191,872.98/x
  3. Step 3: Cross multiply
    341,504.82x = 512,617.95 × 191,872.98
  4. Step 4: Simplify right side
    341,504.82x = 98,357,533,667.99
  5. Step 5: Solve for x
    x = 98,357,533,667.99/341,504.82
  6. Step 6: Final answer
    x = 288,012.14

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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.