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Finding the Fourth Proportional to 266,682.50, 368,025.78 and 180,667.79

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Solution

The fourth proportional to 266,682.50, 368,025.78 and 180,667.79 is: 249,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,682.50 : 368,025.78 = 180,667.79 : x
  2. Step 2: Convert to fraction form
    266,682.50/368,025.78 = 180,667.79/x
  3. Step 3: Cross multiply
    266,682.50x = 368,025.78 × 180,667.79
  4. Step 4: Simplify right side
    266,682.50x = 66,490,401,592.16
  5. Step 5: Solve for x
    x = 66,490,401,592.16/266,682.50
  6. Step 6: Final answer
    x = 249,324.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.