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Finding the Fourth Proportional to 447,502.46, 617,445.62 and 263,748.35

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Solution

The fourth proportional to 447,502.46, 617,445.62 and 263,748.35 is: 363,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,502.46 : 617,445.62 = 263,748.35 : x
  2. Step 2: Convert to fraction form
    447,502.46/617,445.62 = 263,748.35/x
  3. Step 3: Cross multiply
    447,502.46x = 617,445.62 × 263,748.35
  4. Step 4: Simplify right side
    447,502.46x = 162,850,264,703.66
  5. Step 5: Solve for x
    x = 162,850,264,703.66/447,502.46
  6. Step 6: Final answer
    x = 363,909.21

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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.