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Finding the Fourth Proportional to 554,646.48, 831,969.72 and 199,652.64

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Solution

The fourth proportional to 554,646.48, 831,969.72 and 199,652.64 is: 299,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,646.48 : 831,969.72 = 199,652.64 : x
  2. Step 2: Convert to fraction form
    554,646.48/831,969.72 = 199,652.64/x
  3. Step 3: Cross multiply
    554,646.48x = 831,969.72 × 199,652.64
  4. Step 4: Simplify right side
    554,646.48x = 166,104,950,998.06
  5. Step 5: Solve for x
    x = 166,104,950,998.06/554,646.48
  6. Step 6: Final answer
    x = 299,478.96

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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.