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Finding the Fourth Proportional to 490,811.10, 736,216.65 and 490,811.10

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Solution

The fourth proportional to 490,811.10, 736,216.65 and 490,811.10 is: 736,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,811.10 : 736,216.65 = 490,811.10 : x
  2. Step 2: Convert to fraction form
    490,811.10/736,216.65 = 490,811.10/x
  3. Step 3: Cross multiply
    490,811.10x = 736,216.65 × 490,811.10
  4. Step 4: Simplify right side
    490,811.10x = 361,343,303,824.82
  5. Step 5: Solve for x
    x = 361,343,303,824.82/490,811.10
  6. Step 6: Final answer
    x = 736,216.65

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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.