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Finding the Fourth Proportional to 432,657.60, 648,986.40 and 246,033.60

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Solution

The fourth proportional to 432,657.60, 648,986.40 and 246,033.60 is: 369,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,657.60 : 648,986.40 = 246,033.60 : x
  2. Step 2: Convert to fraction form
    432,657.60/648,986.40 = 246,033.60/x
  3. Step 3: Cross multiply
    432,657.60x = 648,986.40 × 246,033.60
  4. Step 4: Simplify right side
    432,657.60x = 159,672,460,343.04
  5. Step 5: Solve for x
    x = 159,672,460,343.04/432,657.60
  6. Step 6: Final answer
    x = 369,050.40

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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.