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Finding the Fourth Proportional to 447,677.20, 670,901.40 and 364,733.20

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Solution

The fourth proportional to 447,677.20, 670,901.40 and 364,733.20 is: 546,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,677.20 : 670,901.40 = 364,733.20 : x
  2. Step 2: Convert to fraction form
    447,677.20/670,901.40 = 364,733.20/x
  3. Step 3: Cross multiply
    447,677.20x = 670,901.40 × 364,733.20
  4. Step 4: Simplify right side
    447,677.20x = 244,700,014,506.48
  5. Step 5: Solve for x
    x = 244,700,014,506.48/447,677.20
  6. Step 6: Final answer
    x = 546,599.23

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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.