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Finding the Fourth Proportional to 416,901.93, 623,858.04 and 360,934.53

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Solution

The fourth proportional to 416,901.93, 623,858.04 and 360,934.53 is: 540,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,901.93 : 623,858.04 = 360,934.53 : x
  2. Step 2: Convert to fraction form
    416,901.93/623,858.04 = 360,934.53/x
  3. Step 3: Cross multiply
    416,901.93x = 623,858.04 × 360,934.53
  4. Step 4: Simplify right side
    416,901.93x = 225,171,908,454.12
  5. Step 5: Solve for x
    x = 225,171,908,454.12/416,901.93
  6. Step 6: Final answer
    x = 540,107.62

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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.