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Finding the Fourth Proportional to 356,808.60, 534,467.70 and 167,430.60

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Solution

The fourth proportional to 356,808.60, 534,467.70 and 167,430.60 is: 250,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,808.60 : 534,467.70 = 167,430.60 : x
  2. Step 2: Convert to fraction form
    356,808.60/534,467.70 = 167,430.60/x
  3. Step 3: Cross multiply
    356,808.60x = 534,467.70 × 167,430.60
  4. Step 4: Simplify right side
    356,808.60x = 89,486,247,691.62
  5. Step 5: Solve for x
    x = 89,486,247,691.62/356,808.60
  6. Step 6: Final answer
    x = 250,796.22

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1.5x scale

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.