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Finding the Fourth Proportional to 400,715.58, 600,934.98 and 116,329.02

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Solution

The fourth proportional to 400,715.58, 600,934.98 and 116,329.02 is: 174,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,715.58 : 600,934.98 = 116,329.02 : x
  2. Step 2: Convert to fraction form
    400,715.58/600,934.98 = 116,329.02/x
  3. Step 3: Cross multiply
    400,715.58x = 600,934.98 × 116,329.02
  4. Step 4: Simplify right side
    400,715.58x = 69,906,177,307.12
  5. Step 5: Solve for x
    x = 69,906,177,307.12/400,715.58
  6. Step 6: Final answer
    x = 174,453.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.