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Finding the Fourth Proportional to 550,959.84, 760,641.84 and 369,934.56

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Solution

The fourth proportional to 550,959.84, 760,641.84 and 369,934.56 is: 510,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,959.84 : 760,641.84 = 369,934.56 : x
  2. Step 2: Convert to fraction form
    550,959.84/760,641.84 = 369,934.56/x
  3. Step 3: Cross multiply
    550,959.84x = 760,641.84 × 369,934.56
  4. Step 4: Simplify right side
    550,959.84x = 281,387,704,397.99
  5. Step 5: Solve for x
    x = 281,387,704,397.99/550,959.84
  6. Step 6: Final answer
    x = 510,722.71

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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.