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Finding the Fourth Proportional to 356,125.42, 534,230.32 and 223,016.68

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Solution

The fourth proportional to 356,125.42, 534,230.32 and 223,016.68 is: 334,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,125.42 : 534,230.32 = 223,016.68 : x
  2. Step 2: Convert to fraction form
    356,125.42/534,230.32 = 223,016.68/x
  3. Step 3: Cross multiply
    356,125.42x = 534,230.32 × 223,016.68
  4. Step 4: Simplify right side
    356,125.42x = 119,142,272,321.74
  5. Step 5: Solve for x
    x = 119,142,272,321.74/356,125.42
  6. Step 6: Final answer
    x = 334,551.44

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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.