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Finding the Fourth Proportional to 347,882.82, 480,072.08 and 194,920.40

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Solution

The fourth proportional to 347,882.82, 480,072.08 and 194,920.40 is: 268,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,882.82 : 480,072.08 = 194,920.40 : x
  2. Step 2: Convert to fraction form
    347,882.82/480,072.08 = 194,920.40/x
  3. Step 3: Cross multiply
    347,882.82x = 480,072.08 × 194,920.40
  4. Step 4: Simplify right side
    347,882.82x = 93,575,841,862.43
  5. Step 5: Solve for x
    x = 93,575,841,862.43/347,882.82
  6. Step 6: Final answer
    x = 268,986.67

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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.