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Finding the Fourth Proportional to 490,660.30, 734,953.65 and 490,660.30

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Solution

The fourth proportional to 490,660.30, 734,953.65 and 490,660.30 is: 734,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,660.30 : 734,953.65 = 490,660.30 : x
  2. Step 2: Convert to fraction form
    490,660.30/734,953.65 = 490,660.30/x
  3. Step 3: Cross multiply
    490,660.30x = 734,953.65 × 490,660.30
  4. Step 4: Simplify right side
    490,660.30x = 360,612,578,395.10
  5. Step 5: Solve for x
    x = 360,612,578,395.10/490,660.30
  6. Step 6: Final answer
    x = 734,953.65

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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.