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Finding the Fourth Proportional to 311,212.20, 466,040.70 and 249,004.20

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Solution

The fourth proportional to 311,212.20, 466,040.70 and 249,004.20 is: 372,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,212.20 : 466,040.70 = 249,004.20 : x
  2. Step 2: Convert to fraction form
    311,212.20/466,040.70 = 249,004.20/x
  3. Step 3: Cross multiply
    311,212.20x = 466,040.70 × 249,004.20
  4. Step 4: Simplify right side
    311,212.20x = 116,046,091,670.94
  5. Step 5: Solve for x
    x = 116,046,091,670.94/311,212.20
  6. Step 6: Final answer
    x = 372,884.13

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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.