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Finding the Fourth Proportional to 535,652.16, 739,199.53 and 293,949.92

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Solution

The fourth proportional to 535,652.16, 739,199.53 and 293,949.92 is: 405,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,652.16 : 739,199.53 = 293,949.92 : x
  2. Step 2: Convert to fraction form
    535,652.16/739,199.53 = 293,949.92/x
  3. Step 3: Cross multiply
    535,652.16x = 739,199.53 × 293,949.92
  4. Step 4: Simplify right side
    535,652.16x = 217,287,642,707.54
  5. Step 5: Solve for x
    x = 217,287,642,707.54/535,652.16
  6. Step 6: Final answer
    x = 405,650.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.