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Finding the Fourth Proportional to 537,315.80, 804,807.30 and 444,003.80

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Solution

The fourth proportional to 537,315.80, 804,807.30 and 444,003.80 is: 665,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,315.80 : 804,807.30 = 444,003.80 : x
  2. Step 2: Convert to fraction form
    537,315.80/804,807.30 = 444,003.80/x
  3. Step 3: Cross multiply
    537,315.80x = 804,807.30 × 444,003.80
  4. Step 4: Simplify right side
    537,315.80x = 357,337,499,467.74
  5. Step 5: Solve for x
    x = 357,337,499,467.74/537,315.80
  6. Step 6: Final answer
    x = 665,041.86

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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.