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Finding the Fourth Proportional to 578,494.80, 867,742.20 and 152,029.80

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Solution

The fourth proportional to 578,494.80, 867,742.20 and 152,029.80 is: 228,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,494.80 : 867,742.20 = 152,029.80 : x
  2. Step 2: Convert to fraction form
    578,494.80/867,742.20 = 152,029.80/x
  3. Step 3: Cross multiply
    578,494.80x = 867,742.20 × 152,029.80
  4. Step 4: Simplify right side
    578,494.80x = 131,922,673,117.56
  5. Step 5: Solve for x
    x = 131,922,673,117.56/578,494.80
  6. Step 6: Final answer
    x = 228,044.70

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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.