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Finding the Fourth Proportional to 349,450.81, 482,126.11 and 284,808.89

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Solution

The fourth proportional to 349,450.81, 482,126.11 and 284,808.89 is: 392,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,450.81 : 482,126.11 = 284,808.89 : x
  2. Step 2: Convert to fraction form
    349,450.81/482,126.11 = 284,808.89/x
  3. Step 3: Cross multiply
    349,450.81x = 482,126.11 × 284,808.89
  4. Step 4: Simplify right side
    349,450.81x = 137,313,802,722.41
  5. Step 5: Solve for x
    x = 137,313,802,722.41/349,450.81
  6. Step 6: Final answer
    x = 392,941.72

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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.