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Finding the Fourth Proportional to 408,052.90, 610,696.95 and 408,052.90

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Solution

The fourth proportional to 408,052.90, 610,696.95 and 408,052.90 is: 610,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,052.90 : 610,696.95 = 408,052.90 : x
  2. Step 2: Convert to fraction form
    408,052.90/610,696.95 = 408,052.90/x
  3. Step 3: Cross multiply
    408,052.90x = 610,696.95 × 408,052.90
  4. Step 4: Simplify right side
    408,052.90x = 249,196,661,468.66
  5. Step 5: Solve for x
    x = 249,196,661,468.66/408,052.90
  6. Step 6: Final answer
    x = 610,696.95

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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.