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Finding the Fourth Proportional to 446,656.68, 669,895.92 and 218,854.44

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Solution

The fourth proportional to 446,656.68, 669,895.92 and 218,854.44 is: 328,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,656.68 : 669,895.92 = 218,854.44 : x
  2. Step 2: Convert to fraction form
    446,656.68/669,895.92 = 218,854.44/x
  3. Step 3: Cross multiply
    446,656.68x = 669,895.92 × 218,854.44
  4. Step 4: Simplify right side
    446,656.68x = 146,609,696,429.89
  5. Step 5: Solve for x
    x = 146,609,696,429.89/446,656.68
  6. Step 6: Final answer
    x = 328,238.00

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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.