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Finding the Fourth Proportional to 432,645.60, 648,087.08 and 352,967.52

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Solution

The fourth proportional to 432,645.60, 648,087.08 and 352,967.52 is: 528,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,645.60 : 648,087.08 = 352,967.52 : x
  2. Step 2: Convert to fraction form
    432,645.60/648,087.08 = 352,967.52/x
  3. Step 3: Cross multiply
    432,645.60x = 648,087.08 × 352,967.52
  4. Step 4: Simplify right side
    432,645.60x = 228,753,689,371.64
  5. Step 5: Solve for x
    x = 228,753,689,371.64/432,645.60
  6. Step 6: Final answer
    x = 528,732.27

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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.