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Finding the Fourth Proportional to 437,010.16, 655,515.22 and 156,724.24

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Solution

The fourth proportional to 437,010.16, 655,515.22 and 156,724.24 is: 235,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,010.16 : 655,515.22 = 156,724.24 : x
  2. Step 2: Convert to fraction form
    437,010.16/655,515.22 = 156,724.24/x
  3. Step 3: Cross multiply
    437,010.16x = 655,515.22 × 156,724.24
  4. Step 4: Simplify right side
    437,010.16x = 102,735,124,662.93
  5. Step 5: Solve for x
    x = 102,735,124,662.93/437,010.16
  6. Step 6: Final answer
    x = 235,086.35

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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.