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Finding the Fourth Proportional to 338,614.08, 507,818.16 and 101,893.92

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Solution

The fourth proportional to 338,614.08, 507,818.16 and 101,893.92 is: 152,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,614.08 : 507,818.16 = 101,893.92 : x
  2. Step 2: Convert to fraction form
    338,614.08/507,818.16 = 101,893.92/x
  3. Step 3: Cross multiply
    338,614.08x = 507,818.16 × 101,893.92
  4. Step 4: Simplify right side
    338,614.08x = 51,743,582,969.59
  5. Step 5: Solve for x
    x = 51,743,582,969.59/338,614.08
  6. Step 6: Final answer
    x = 152,809.90

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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.