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Finding the Fourth Proportional to 647,595.90, 970,933.05 and 248,082.30

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Solution

The fourth proportional to 647,595.90, 970,933.05 and 248,082.30 is: 371,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,595.90 : 970,933.05 = 248,082.30 : x
  2. Step 2: Convert to fraction form
    647,595.90/970,933.05 = 248,082.30/x
  3. Step 3: Cross multiply
    647,595.90x = 970,933.05 × 248,082.30
  4. Step 4: Simplify right side
    647,595.90x = 240,871,304,190.02
  5. Step 5: Solve for x
    x = 240,871,304,190.02/647,595.90
  6. Step 6: Final answer
    x = 371,946.93

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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.