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Finding the Fourth Proportional to 315,168.68, 472,759.52 and 175,814.12

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Solution

The fourth proportional to 315,168.68, 472,759.52 and 175,814.12 is: 263,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,168.68 : 472,759.52 = 175,814.12 : x
  2. Step 2: Convert to fraction form
    315,168.68/472,759.52 = 175,814.12/x
  3. Step 3: Cross multiply
    315,168.68x = 472,759.52 × 175,814.12
  4. Step 4: Simplify right side
    315,168.68x = 83,117,798,980.42
  5. Step 5: Solve for x
    x = 83,117,798,980.42/315,168.68
  6. Step 6: Final answer
    x = 263,724.81

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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.