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Finding the Fourth Proportional to 405,161.46, 559,200.15 and 267,098.13

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Solution

The fourth proportional to 405,161.46, 559,200.15 and 267,098.13 is: 368,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,161.46 : 559,200.15 = 267,098.13 : x
  2. Step 2: Convert to fraction form
    405,161.46/559,200.15 = 267,098.13/x
  3. Step 3: Cross multiply
    405,161.46x = 559,200.15 × 267,098.13
  4. Step 4: Simplify right side
    405,161.46x = 149,361,314,360.72
  5. Step 5: Solve for x
    x = 149,361,314,360.72/405,161.46
  6. Step 6: Final answer
    x = 368,646.40

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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.