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Finding the Fourth Proportional to 647,326.08, 970,314.93 and 362,599.07

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Solution

The fourth proportional to 647,326.08, 970,314.93 and 362,599.07 is: 543,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,326.08 : 970,314.93 = 362,599.07 : x
  2. Step 2: Convert to fraction form
    647,326.08/970,314.93 = 362,599.07/x
  3. Step 3: Cross multiply
    647,326.08x = 970,314.93 × 362,599.07
  4. Step 4: Simplify right side
    647,326.08x = 351,835,286,373.54
  5. Step 5: Solve for x
    x = 351,835,286,373.54/647,326.08
  6. Step 6: Final answer
    x = 543,520.95

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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.