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Finding the Fourth Proportional to 317,366.56, 437,953.80 and 181,393.48

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Solution

The fourth proportional to 317,366.56, 437,953.80 and 181,393.48 is: 250,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,366.56 : 437,953.80 = 181,393.48 : x
  2. Step 2: Convert to fraction form
    317,366.56/437,953.80 = 181,393.48/x
  3. Step 3: Cross multiply
    317,366.56x = 437,953.80 × 181,393.48
  4. Step 4: Simplify right side
    317,366.56x = 79,441,963,861.22
  5. Step 5: Solve for x
    x = 79,441,963,861.22/317,366.56
  6. Step 6: Final answer
    x = 250,316.11

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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.