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Finding the Fourth Proportional to 341,304.75, 471,000.76 and 190,401.75

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Solution

The fourth proportional to 341,304.75, 471,000.76 and 190,401.75 is: 262,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,304.75 : 471,000.76 = 190,401.75 : x
  2. Step 2: Convert to fraction form
    341,304.75/471,000.76 = 190,401.75/x
  3. Step 3: Cross multiply
    341,304.75x = 471,000.76 × 190,401.75
  4. Step 4: Simplify right side
    341,304.75x = 89,679,368,479.33
  5. Step 5: Solve for x
    x = 89,679,368,479.33/341,304.75
  6. Step 6: Final answer
    x = 262,754.53

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1.5x scale

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.