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Finding the Fourth Proportional to 551,369.09, 827,385.03 and 235,826.30

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Solution

The fourth proportional to 551,369.09, 827,385.03 and 235,826.30 is: 353,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,369.09 : 827,385.03 = 235,826.30 : x
  2. Step 2: Convert to fraction form
    551,369.09/827,385.03 = 235,826.30/x
  3. Step 3: Cross multiply
    551,369.09x = 827,385.03 × 235,826.30
  4. Step 4: Simplify right side
    551,369.09x = 195,119,152,368.75
  5. Step 5: Solve for x
    x = 195,119,152,368.75/551,369.09
  6. Step 6: Final answer
    x = 353,881.19

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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.