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Finding the Fourth Proportional to 552,779.40, 829,169.10 and 197,821.20

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Solution

The fourth proportional to 552,779.40, 829,169.10 and 197,821.20 is: 296,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,779.40 : 829,169.10 = 197,821.20 : x
  2. Step 2: Convert to fraction form
    552,779.40/829,169.10 = 197,821.20/x
  3. Step 3: Cross multiply
    552,779.40x = 829,169.10 × 197,821.20
  4. Step 4: Simplify right side
    552,779.40x = 164,027,226,364.92
  5. Step 5: Solve for x
    x = 164,027,226,364.92/552,779.40
  6. Step 6: Final answer
    x = 296,731.80

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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.