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Finding the Fourth Proportional to 464,912.10, 697,368.15 and 329,099.40

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Solution

The fourth proportional to 464,912.10, 697,368.15 and 329,099.40 is: 493,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,912.10 : 697,368.15 = 329,099.40 : x
  2. Step 2: Convert to fraction form
    464,912.10/697,368.15 = 329,099.40/x
  3. Step 3: Cross multiply
    464,912.10x = 697,368.15 × 329,099.40
  4. Step 4: Simplify right side
    464,912.10x = 229,503,439,744.11
  5. Step 5: Solve for x
    x = 229,503,439,744.11/464,912.10
  6. Step 6: Final answer
    x = 493,649.10

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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.