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Finding the Fourth Proportional to 447,232.63, 617,776.23 and 440,726.35

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Solution

The fourth proportional to 447,232.63, 617,776.23 and 440,726.35 is: 608,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,232.63 : 617,776.23 = 440,726.35 : x
  2. Step 2: Convert to fraction form
    447,232.63/617,776.23 = 440,726.35/x
  3. Step 3: Cross multiply
    447,232.63x = 617,776.23 × 440,726.35
  4. Step 4: Simplify right side
    447,232.63x = 272,270,262,964.66
  5. Step 5: Solve for x
    x = 272,270,262,964.66/447,232.63
  6. Step 6: Final answer
    x = 608,788.90

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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.