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Finding the Fourth Proportional to 554,644.48, 831,966.72 and 199,650.64

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Solution

The fourth proportional to 554,644.48, 831,966.72 and 199,650.64 is: 299,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,644.48 : 831,966.72 = 199,650.64 : x
  2. Step 2: Convert to fraction form
    554,644.48/831,966.72 = 199,650.64/x
  3. Step 3: Cross multiply
    554,644.48x = 831,966.72 × 199,650.64
  4. Step 4: Simplify right side
    554,644.48x = 166,102,688,106.70
  5. Step 5: Solve for x
    x = 166,102,688,106.70/554,644.48
  6. Step 6: Final answer
    x = 299,475.96

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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.