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Finding the Fourth Proportional to 577,339.08, 865,793.23 and 198,152.22

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Solution

The fourth proportional to 577,339.08, 865,793.23 and 198,152.22 is: 297,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,339.08 : 865,793.23 = 198,152.22 : x
  2. Step 2: Convert to fraction form
    577,339.08/865,793.23 = 198,152.22/x
  3. Step 3: Cross multiply
    577,339.08x = 865,793.23 × 198,152.22
  4. Step 4: Simplify right side
    577,339.08x = 171,558,850,585.47
  5. Step 5: Solve for x
    x = 171,558,850,585.47/577,339.08
  6. Step 6: Final answer
    x = 297,154.40

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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.