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Finding the Fourth Proportional to 556,389.38, 834,574.89 and 177,304.88

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Solution

The fourth proportional to 556,389.38, 834,574.89 and 177,304.88 is: 265,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,389.38 : 834,574.89 = 177,304.88 : x
  2. Step 2: Convert to fraction form
    556,389.38/834,574.89 = 177,304.88/x
  3. Step 3: Cross multiply
    556,389.38x = 834,574.89 × 177,304.88
  4. Step 4: Simplify right side
    556,389.38x = 147,974,200,722.46
  5. Step 5: Solve for x
    x = 147,974,200,722.46/556,389.38
  6. Step 6: Final answer
    x = 265,954.39

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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.