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Finding the Fourth Proportional to 317,119, 437,584.12 and 173,841.34

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Solution

The fourth proportional to 317,119, 437,584.12 and 173,841.34 is: 239,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,119 : 437,584.12 = 173,841.34 : x
  2. Step 2: Convert to fraction form
    317,119/437,584.12 = 173,841.34/x
  3. Step 3: Cross multiply
    317,119x = 437,584.12 × 173,841.34
  4. Step 4: Simplify right side
    317,119x = 76,070,209,783.52
  5. Step 5: Solve for x
    x = 76,070,209,783.52/317,119
  6. Step 6: Final answer
    x = 239,879.07

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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.