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Finding the Fourth Proportional to 356,814.60, 534,476.70 and 167,436.60

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Solution

The fourth proportional to 356,814.60, 534,476.70 and 167,436.60 is: 250,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,814.60 : 534,476.70 = 167,436.60 : x
  2. Step 2: Convert to fraction form
    356,814.60/534,476.70 = 167,436.60/x
  3. Step 3: Cross multiply
    356,814.60x = 534,476.70 × 167,436.60
  4. Step 4: Simplify right side
    356,814.60x = 89,490,961,427.22
  5. Step 5: Solve for x
    x = 89,490,961,427.22/356,814.60
  6. Step 6: Final answer
    x = 250,805.21

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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.