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Finding the Fourth Proportional to 432,585.52, 648,827.16 and 133,065.52

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Solution

The fourth proportional to 432,585.52, 648,827.16 and 133,065.52 is: 199,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,585.52 : 648,827.16 = 133,065.52 : x
  2. Step 2: Convert to fraction form
    432,585.52/648,827.16 = 133,065.52/x
  3. Step 3: Cross multiply
    432,585.52x = 648,827.16 × 133,065.52
  4. Step 4: Simplify right side
    432,585.52x = 86,336,523,435.52
  5. Step 5: Solve for x
    x = 86,336,523,435.52/432,585.52
  6. Step 6: Final answer
    x = 199,582.56

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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.