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Finding the Fourth Proportional to 432,717.60, 649,076.40 and 246,093.60

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Solution

The fourth proportional to 432,717.60, 649,076.40 and 246,093.60 is: 369,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,717.60 : 649,076.40 = 246,093.60 : x
  2. Step 2: Convert to fraction form
    432,717.60/649,076.40 = 246,093.60/x
  3. Step 3: Cross multiply
    432,717.60x = 649,076.40 × 246,093.60
  4. Step 4: Simplify right side
    432,717.60x = 159,733,547,951.04
  5. Step 5: Solve for x
    x = 159,733,547,951.04/432,717.60
  6. Step 6: Final answer
    x = 369,140.40

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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.