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Finding the Fourth Proportional to 317,003.86, 437,470.62 and 171,814.29

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Solution

The fourth proportional to 317,003.86, 437,470.62 and 171,814.29 is: 237,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,003.86 : 437,470.62 = 171,814.29 : x
  2. Step 2: Convert to fraction form
    317,003.86/437,470.62 = 171,814.29/x
  3. Step 3: Cross multiply
    317,003.86x = 437,470.62 × 171,814.29
  4. Step 4: Simplify right side
    317,003.86x = 75,163,703,971.16
  5. Step 5: Solve for x
    x = 75,163,703,971.16/317,003.86
  6. Step 6: Final answer
    x = 237,106.59

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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.