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Finding the Fourth Proportional to 311,230.20, 466,845.30 and 249,022.20

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Solution

The fourth proportional to 311,230.20, 466,845.30 and 249,022.20 is: 373,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,230.20 : 466,845.30 = 249,022.20 : x
  2. Step 2: Convert to fraction form
    311,230.20/466,845.30 = 249,022.20/x
  3. Step 3: Cross multiply
    311,230.20x = 466,845.30 × 249,022.20
  4. Step 4: Simplify right side
    311,230.20x = 116,254,843,665.66
  5. Step 5: Solve for x
    x = 116,254,843,665.66/311,230.20
  6. Step 6: Final answer
    x = 373,533.30

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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.