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Finding the Fourth Proportional to 576,211.56, 864,284.56 and 176,851.76

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Solution

The fourth proportional to 576,211.56, 864,284.56 and 176,851.76 is: 265,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,211.56 : 864,284.56 = 176,851.76 : x
  2. Step 2: Convert to fraction form
    576,211.56/864,284.56 = 176,851.76/x
  3. Step 3: Cross multiply
    576,211.56x = 864,284.56 × 176,851.76
  4. Step 4: Simplify right side
    576,211.56x = 152,850,245,576.83
  5. Step 5: Solve for x
    x = 152,850,245,576.83/576,211.56
  6. Step 6: Final answer
    x = 265,267.58

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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.