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Finding the Fourth Proportional to 507,998.16, 761,938.92 and 134,050.32

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Solution

The fourth proportional to 507,998.16, 761,938.92 and 134,050.32 is: 201,060.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,998.16 : 761,938.92 = 134,050.32 : x
  2. Step 2: Convert to fraction form
    507,998.16/761,938.92 = 134,050.32/x
  3. Step 3: Cross multiply
    507,998.16x = 761,938.92 × 134,050.32
  4. Step 4: Simplify right side
    507,998.16x = 102,138,156,046.45
  5. Step 5: Solve for x
    x = 102,138,156,046.45/507,998.16
  6. Step 6: Final answer
    x = 201,060.09

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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.