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Finding the Fourth Proportional to 768,082.60, 1,150,050.30 and 768,082.60

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Solution

The fourth proportional to 768,082.60, 1,150,050.30 and 768,082.60 is: 1,150,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,082.60 : 1,150,050.30 = 768,082.60 : x
  2. Step 2: Convert to fraction form
    768,082.60/1,150,050.30 = 768,082.60/x
  3. Step 3: Cross multiply
    768,082.60x = 1,150,050.30 × 768,082.60
  4. Step 4: Simplify right side
    768,082.60x = 883,333,624,554.78
  5. Step 5: Solve for x
    x = 883,333,624,554.78/768,082.60
  6. Step 6: Final answer
    x = 1,150,050.30

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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.