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Finding the Fourth Proportional to 556,461.72, 834,758.79 and 177,249.27

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Solution

The fourth proportional to 556,461.72, 834,758.79 and 177,249.27 is: 265,894.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,461.72 : 834,758.79 = 177,249.27 : x
  2. Step 2: Convert to fraction form
    556,461.72/834,758.79 = 177,249.27/x
  3. Step 3: Cross multiply
    556,461.72x = 834,758.79 × 177,249.27
  4. Step 4: Simplify right side
    556,461.72x = 147,960,386,153.58
  5. Step 5: Solve for x
    x = 147,960,386,153.58/556,461.72
  6. Step 6: Final answer
    x = 265,894.99

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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.