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Finding the Fourth Proportional to 317,199.66, 437,741.55 and 173,951.10

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Solution

The fourth proportional to 317,199.66, 437,741.55 and 173,951.10 is: 240,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,199.66 : 437,741.55 = 173,951.10 : x
  2. Step 2: Convert to fraction form
    317,199.66/437,741.55 = 173,951.10/x
  3. Step 3: Cross multiply
    317,199.66x = 437,741.55 × 173,951.10
  4. Step 4: Simplify right side
    317,199.66x = 76,145,624,138.21
  5. Step 5: Solve for x
    x = 76,145,624,138.21/317,199.66
  6. Step 6: Final answer
    x = 240,055.82

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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.