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Finding the Fourth Proportional to 317,089.56, 437,583.45 and 173,846.55

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Solution

The fourth proportional to 317,089.56, 437,583.45 and 173,846.55 is: 239,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,089.56 : 437,583.45 = 173,846.55 : x
  2. Step 2: Convert to fraction form
    317,089.56/437,583.45 = 173,846.55/x
  3. Step 3: Cross multiply
    317,089.56x = 437,583.45 × 173,846.55
  4. Step 4: Simplify right side
    317,089.56x = 76,072,373,119.60
  5. Step 5: Solve for x
    x = 76,072,373,119.60/317,089.56
  6. Step 6: Final answer
    x = 239,908.16

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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.