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Finding the Fourth Proportional to 514,467.20, 771,441.60 and 304,169.60

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Solution

The fourth proportional to 514,467.20, 771,441.60 and 304,169.60 is: 456,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,467.20 : 771,441.60 = 304,169.60 : x
  2. Step 2: Convert to fraction form
    514,467.20/771,441.60 = 304,169.60/x
  3. Step 3: Cross multiply
    514,467.20x = 771,441.60 × 304,169.60
  4. Step 4: Simplify right side
    514,467.20x = 234,649,082,895.36
  5. Step 5: Solve for x
    x = 234,649,082,895.36/514,467.20
  6. Step 6: Final answer
    x = 456,101.15

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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.