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Finding the Fourth Proportional to 432,644.60, 648,085.58 and 352,966.52

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Solution

The fourth proportional to 432,644.60, 648,085.58 and 352,966.52 is: 528,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,644.60 : 648,085.58 = 352,966.52 : x
  2. Step 2: Convert to fraction form
    432,644.60/648,085.58 = 352,966.52/x
  3. Step 3: Cross multiply
    432,644.60x = 648,085.58 × 352,966.52
  4. Step 4: Simplify right side
    432,644.60x = 228,752,511,834.78
  5. Step 5: Solve for x
    x = 228,752,511,834.78/432,644.60
  6. Step 6: Final answer
    x = 528,730.77

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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.