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Finding the Fourth Proportional to 456,462.20, 683,138.10 and 456,462.20

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Solution

The fourth proportional to 456,462.20, 683,138.10 and 456,462.20 is: 683,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,462.20 : 683,138.10 = 456,462.20 : x
  2. Step 2: Convert to fraction form
    456,462.20/683,138.10 = 456,462.20/x
  3. Step 3: Cross multiply
    456,462.20x = 683,138.10 × 456,462.20
  4. Step 4: Simplify right side
    456,462.20x = 311,826,720,029.82
  5. Step 5: Solve for x
    x = 311,826,720,029.82/456,462.20
  6. Step 6: Final answer
    x = 683,138.10

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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.