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Finding the Fourth Proportional to 577,832.10, 866,866.36 and 198,703.60

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Solution

The fourth proportional to 577,832.10, 866,866.36 and 198,703.60 is: 298,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,832.10 : 866,866.36 = 198,703.60 : x
  2. Step 2: Convert to fraction form
    577,832.10/866,866.36 = 198,703.60/x
  3. Step 3: Cross multiply
    577,832.10x = 866,866.36 × 198,703.60
  4. Step 4: Simplify right side
    577,832.10x = 172,249,466,450.90
  5. Step 5: Solve for x
    x = 172,249,466,450.90/577,832.10
  6. Step 6: Final answer
    x = 298,096.05

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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.