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Finding the Fourth Proportional to 551,729.96, 827,605.34 and 152,381.33

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Solution

The fourth proportional to 551,729.96, 827,605.34 and 152,381.33 is: 228,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,729.96 : 827,605.34 = 152,381.33 : x
  2. Step 2: Convert to fraction form
    551,729.96/827,605.34 = 152,381.33/x
  3. Step 3: Cross multiply
    551,729.96x = 827,605.34 × 152,381.33
  4. Step 4: Simplify right side
    551,729.96x = 126,111,602,424.30
  5. Step 5: Solve for x
    x = 126,111,602,424.30/551,729.96
  6. Step 6: Final answer
    x = 228,574.87

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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.