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Finding the Fourth Proportional to 317,097.84, 437,578.32 and 181,105.12

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Solution

The fourth proportional to 317,097.84, 437,578.32 and 181,105.12 is: 249,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,097.84 : 437,578.32 = 181,105.12 : x
  2. Step 2: Convert to fraction form
    317,097.84/437,578.32 = 181,105.12/x
  3. Step 3: Cross multiply
    317,097.84x = 437,578.32 × 181,105.12
  4. Step 4: Simplify right side
    317,097.84x = 79,247,674,153.00
  5. Step 5: Solve for x
    x = 79,247,674,153.00/317,097.84
  6. Step 6: Final answer
    x = 249,915.53

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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.