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Finding the Fourth Proportional to 534,369.84, 801,480.65 and 134,985.98

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Solution

The fourth proportional to 534,369.84, 801,480.65 and 134,985.98 is: 202,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,369.84 : 801,480.65 = 134,985.98 : x
  2. Step 2: Convert to fraction form
    534,369.84/801,480.65 = 134,985.98/x
  3. Step 3: Cross multiply
    534,369.84x = 801,480.65 × 134,985.98
  4. Step 4: Simplify right side
    534,369.84x = 108,188,646,308.95
  5. Step 5: Solve for x
    x = 108,188,646,308.95/534,369.84
  6. Step 6: Final answer
    x = 202,460.24

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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.