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Finding the Fourth Proportional to 556,732.89, 834,690.38 and 177,435.36

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Solution

The fourth proportional to 556,732.89, 834,690.38 and 177,435.36 is: 266,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,732.89 : 834,690.38 = 177,435.36 : x
  2. Step 2: Convert to fraction form
    556,732.89/834,690.38 = 177,435.36/x
  3. Step 3: Cross multiply
    556,732.89x = 834,690.38 × 177,435.36
  4. Step 4: Simplify right side
    556,732.89x = 148,103,587,176.66
  5. Step 5: Solve for x
    x = 148,103,587,176.66/556,732.89
  6. Step 6: Final answer
    x = 266,022.70

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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.