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Finding the Fourth Proportional to 317,373.68, 437,975.66 and 181,410.56

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Solution

The fourth proportional to 317,373.68, 437,975.66 and 181,410.56 is: 250,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,373.68 : 437,975.66 = 181,410.56 : x
  2. Step 2: Convert to fraction form
    317,373.68/437,975.66 = 181,410.56/x
  3. Step 3: Cross multiply
    317,373.68x = 437,975.66 × 181,410.56
  4. Step 4: Simplify right side
    317,373.68x = 79,453,409,746.97
  5. Step 5: Solve for x
    x = 79,453,409,746.97/317,373.68
  6. Step 6: Final answer
    x = 250,346.56

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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.