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Finding the Fourth Proportional to 297,545.52, 410,619.96 and 163,412.40

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Solution

The fourth proportional to 297,545.52, 410,619.96 and 163,412.40 is: 225,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,545.52 : 410,619.96 = 163,412.40 : x
  2. Step 2: Convert to fraction form
    297,545.52/410,619.96 = 163,412.40/x
  3. Step 3: Cross multiply
    297,545.52x = 410,619.96 × 163,412.40
  4. Step 4: Simplify right side
    297,545.52x = 67,100,393,151.50
  5. Step 5: Solve for x
    x = 67,100,393,151.50/297,545.52
  6. Step 6: Final answer
    x = 225,513.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.