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Finding the Fourth Proportional to 447,352.80, 617,342.04 and 266,060.70

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Solution

The fourth proportional to 447,352.80, 617,342.04 and 266,060.70 is: 367,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,352.80 : 617,342.04 = 266,060.70 : x
  2. Step 2: Convert to fraction form
    447,352.80/617,342.04 = 266,060.70/x
  3. Step 3: Cross multiply
    447,352.80x = 617,342.04 × 266,060.70
  4. Step 4: Simplify right side
    447,352.80x = 164,250,455,301.83
  5. Step 5: Solve for x
    x = 164,250,455,301.83/447,352.80
  6. Step 6: Final answer
    x = 367,160.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.