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Finding the Fourth Proportional to 369,888.66, 510,447.08 and 206,544.35

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Solution

The fourth proportional to 369,888.66, 510,447.08 and 206,544.35 is: 285,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,888.66 : 510,447.08 = 206,544.35 : x
  2. Step 2: Convert to fraction form
    369,888.66/510,447.08 = 206,544.35/x
  3. Step 3: Cross multiply
    369,888.66x = 510,447.08 × 206,544.35
  4. Step 4: Simplify right side
    369,888.66x = 105,429,962,140.48
  5. Step 5: Solve for x
    x = 105,429,962,140.48/369,888.66
  6. Step 6: Final answer
    x = 285,031.62

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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.