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Finding the Fourth Proportional to 201,679,401.70, 302,519,102.55 and 197,200,425.70

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Solution

The fourth proportional to 201,679,401.70, 302,519,102.55 and 197,200,425.70 is: 295,800,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,679,401.70 : 302,519,102.55 = 197,200,425.70 : x
  2. Step 2: Convert to fraction form
    201,679,401.70/302,519,102.55 = 197,200,425.70/x
  3. Step 3: Cross multiply
    201,679,401.70x = 302,519,102.55 × 197,200,425.70
  4. Step 4: Simplify right side
    201,679,401.70x = 59,656,895,805,241,952
  5. Step 5: Solve for x
    x = 59,656,895,805,241,952/201,679,401.70
  6. Step 6: Final answer
    x = 295,800,638.55

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Similar ratio
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1.5x scale

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.