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Finding the Fourth Proportional to 489,066.40, 733,599.60 and 223,345.90

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Solution

The fourth proportional to 489,066.40, 733,599.60 and 223,345.90 is: 335,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,066.40 : 733,599.60 = 223,345.90 : x
  2. Step 2: Convert to fraction form
    489,066.40/733,599.60 = 223,345.90/x
  3. Step 3: Cross multiply
    489,066.40x = 733,599.60 × 223,345.90
  4. Step 4: Simplify right side
    489,066.40x = 163,846,462,901.64
  5. Step 5: Solve for x
    x = 163,846,462,901.64/489,066.40
  6. Step 6: Final answer
    x = 335,018.85

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Similar ratio
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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.