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Finding the Fourth Proportional to 341,640.40, 512,774.10 and 173,277.88

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Solution

The fourth proportional to 341,640.40, 512,774.10 and 173,277.88 is: 260,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,640.40 : 512,774.10 = 173,277.88 : x
  2. Step 2: Convert to fraction form
    341,640.40/512,774.10 = 173,277.88/x
  3. Step 3: Cross multiply
    341,640.40x = 512,774.10 × 173,277.88
  4. Step 4: Simplify right side
    341,640.40x = 88,852,408,966.91
  5. Step 5: Solve for x
    x = 88,852,408,966.91/341,640.40
  6. Step 6: Final answer
    x = 260,075.83

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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.