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Finding the Fourth Proportional to 644,807.70, 967,211.55 and 224,126.10

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Solution

The fourth proportional to 644,807.70, 967,211.55 and 224,126.10 is: 336,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,807.70 : 967,211.55 = 224,126.10 : x
  2. Step 2: Convert to fraction form
    644,807.70/967,211.55 = 224,126.10/x
  3. Step 3: Cross multiply
    644,807.70x = 967,211.55 × 224,126.10
  4. Step 4: Simplify right side
    644,807.70x = 216,777,352,576.46
  5. Step 5: Solve for x
    x = 216,777,352,576.46/644,807.70
  6. Step 6: Final answer
    x = 336,189.15

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Double scale
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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.