Home / 352,276.64-528,433.42-268,168.72

Finding the Fourth Proportional to 352,276.64, 528,433.42 and 268,168.72

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Solution

The fourth proportional to 352,276.64, 528,433.42 and 268,168.72 is: 402,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,276.64 : 528,433.42 = 268,168.72 : x
  2. Step 2: Convert to fraction form
    352,276.64/528,433.42 = 268,168.72/x
  3. Step 3: Cross multiply
    352,276.64x = 528,433.42 × 268,168.72
  4. Step 4: Simplify right side
    352,276.64x = 141,709,313,846.62
  5. Step 5: Solve for x
    x = 141,709,313,846.62/352,276.64
  6. Step 6: Final answer
    x = 402,267.13

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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.