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Finding the Fourth Proportional to 408,068.40, 612,102.60 and 366,734.10

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Solution

The fourth proportional to 408,068.40, 612,102.60 and 366,734.10 is: 550,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,068.40 : 612,102.60 = 366,734.10 : x
  2. Step 2: Convert to fraction form
    408,068.40/612,102.60 = 366,734.10/x
  3. Step 3: Cross multiply
    408,068.40x = 612,102.60 × 366,734.10
  4. Step 4: Simplify right side
    408,068.40x = 224,478,896,118.66
  5. Step 5: Solve for x
    x = 224,478,896,118.66/408,068.40
  6. Step 6: Final answer
    x = 550,101.15

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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.