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Finding the Fourth Proportional to 317,264.41, 437,817 and 181,289.71

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Solution

The fourth proportional to 317,264.41, 437,817 and 181,289.71 is: 250,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,264.41 : 437,817 = 181,289.71 : x
  2. Step 2: Convert to fraction form
    317,264.41/437,817 = 181,289.71/x
  3. Step 3: Cross multiply
    317,264.41x = 437,817 × 181,289.71
  4. Step 4: Simplify right side
    317,264.41x = 79,371,716,963.07
  5. Step 5: Solve for x
    x = 79,371,716,963.07/317,264.41
  6. Step 6: Final answer
    x = 250,175.29

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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.