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Finding the Fourth Proportional to 338,377.50, 507,228.48 and 169,381.94

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Solution

The fourth proportional to 338,377.50, 507,228.48 and 169,381.94 is: 253,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,377.50 : 507,228.48 = 169,381.94 : x
  2. Step 2: Convert to fraction form
    338,377.50/507,228.48 = 169,381.94/x
  3. Step 3: Cross multiply
    338,377.50x = 507,228.48 × 169,381.94
  4. Step 4: Simplify right side
    338,377.50x = 85,915,341,429.51
  5. Step 5: Solve for x
    x = 85,915,341,429.51/338,377.50
  6. Step 6: Final answer
    x = 253,903.82

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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.