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Finding the Fourth Proportional to 464,431.60, 696,647.40 and 275,474.80

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Solution

The fourth proportional to 464,431.60, 696,647.40 and 275,474.80 is: 413,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,431.60 : 696,647.40 = 275,474.80 : x
  2. Step 2: Convert to fraction form
    464,431.60/696,647.40 = 275,474.80/x
  3. Step 3: Cross multiply
    464,431.60x = 696,647.40 × 275,474.80
  4. Step 4: Simplify right side
    464,431.60x = 191,908,803,185.52
  5. Step 5: Solve for x
    x = 191,908,803,185.52/464,431.60
  6. Step 6: Final answer
    x = 413,212.20

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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.