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Finding the Fourth Proportional to 336,994.71, 505,686.29 and 187,222.35

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Solution

The fourth proportional to 336,994.71, 505,686.29 and 187,222.35 is: 280,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,994.71 : 505,686.29 = 187,222.35 : x
  2. Step 2: Convert to fraction form
    336,994.71/505,686.29 = 187,222.35/x
  3. Step 3: Cross multiply
    336,994.71x = 505,686.29 × 187,222.35
  4. Step 4: Simplify right side
    336,994.71x = 94,675,774,640.47
  5. Step 5: Solve for x
    x = 94,675,774,640.47/336,994.71
  6. Step 6: Final answer
    x = 280,941.43

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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.