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Finding the Fourth Proportional to 503,649.45, 755,529.53 and 166,567.32

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Solution

The fourth proportional to 503,649.45, 755,529.53 and 166,567.32 is: 249,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,649.45 : 755,529.53 = 166,567.32 : x
  2. Step 2: Convert to fraction form
    503,649.45/755,529.53 = 166,567.32/x
  3. Step 3: Cross multiply
    503,649.45x = 755,529.53 × 166,567.32
  4. Step 4: Simplify right side
    503,649.45x = 125,846,528,160.12
  5. Step 5: Solve for x
    x = 125,846,528,160.12/503,649.45
  6. Step 6: Final answer
    x = 249,869.29

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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.