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Finding the Fourth Proportional to 488,415.80, 732,623.70 and 444,870.20

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Solution

The fourth proportional to 488,415.80, 732,623.70 and 444,870.20 is: 667,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,415.80 : 732,623.70 = 444,870.20 : x
  2. Step 2: Convert to fraction form
    488,415.80/732,623.70 = 444,870.20/x
  3. Step 3: Cross multiply
    488,415.80x = 732,623.70 × 444,870.20
  4. Step 4: Simplify right side
    488,415.80x = 325,922,451,943.74
  5. Step 5: Solve for x
    x = 325,922,451,943.74/488,415.80
  6. Step 6: Final answer
    x = 667,305.30

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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.