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Finding the Fourth Proportional to 333,702, 500,548.98 and 134,018.80

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Solution

The fourth proportional to 333,702, 500,548.98 and 134,018.80 is: 201,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,702 : 500,548.98 = 134,018.80 : x
  2. Step 2: Convert to fraction form
    333,702/500,548.98 = 134,018.80/x
  3. Step 3: Cross multiply
    333,702x = 500,548.98 × 134,018.80
  4. Step 4: Simplify right side
    333,702x = 67,082,973,640.82
  5. Step 5: Solve for x
    x = 67,082,973,640.82/333,702
  6. Step 6: Final answer
    x = 201,026.59

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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.