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Finding the Fourth Proportional to 581,511.91, 872,152.88 and 552,674.39

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Solution

The fourth proportional to 581,511.91, 872,152.88 and 552,674.39 is: 828,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,511.91 : 872,152.88 = 552,674.39 : x
  2. Step 2: Convert to fraction form
    581,511.91/872,152.88 = 552,674.39/x
  3. Step 3: Cross multiply
    581,511.91x = 872,152.88 × 552,674.39
  4. Step 4: Simplify right side
    581,511.91x = 482,016,560,142.05
  5. Step 5: Solve for x
    x = 482,016,560,142.05/581,511.91
  6. Step 6: Final answer
    x = 828,902.30

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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.