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Finding the Fourth Proportional to 556,994.34, 768,669.39 and 327,510.18

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Solution

The fourth proportional to 556,994.34, 768,669.39 and 327,510.18 is: 451,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,994.34 : 768,669.39 = 327,510.18 : x
  2. Step 2: Convert to fraction form
    556,994.34/768,669.39 = 327,510.18/x
  3. Step 3: Cross multiply
    556,994.34x = 768,669.39 × 327,510.18
  4. Step 4: Simplify right side
    556,994.34x = 251,747,050,279.39
  5. Step 5: Solve for x
    x = 251,747,050,279.39/556,994.34
  6. Step 6: Final answer
    x = 451,974.16

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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.