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Finding the Fourth Proportional to 490,077.10, 735,115.65 and 365,661.10

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Solution

The fourth proportional to 490,077.10, 735,115.65 and 365,661.10 is: 548,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,077.10 : 735,115.65 = 365,661.10 : x
  2. Step 2: Convert to fraction form
    490,077.10/735,115.65 = 365,661.10/x
  3. Step 3: Cross multiply
    490,077.10x = 735,115.65 × 365,661.10
  4. Step 4: Simplify right side
    490,077.10x = 268,803,197,206.22
  5. Step 5: Solve for x
    x = 268,803,197,206.22/490,077.10
  6. Step 6: Final answer
    x = 548,491.65

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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.