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Finding the Fourth Proportional to 519,862.15, 779,902.58 and 295,326.51

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Solution

The fourth proportional to 519,862.15, 779,902.58 and 295,326.51 is: 443,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,862.15 : 779,902.58 = 295,326.51 : x
  2. Step 2: Convert to fraction form
    519,862.15/779,902.58 = 295,326.51/x
  3. Step 3: Cross multiply
    519,862.15x = 779,902.58 × 295,326.51
  4. Step 4: Simplify right side
    519,862.15x = 230,325,903,243.87
  5. Step 5: Solve for x
    x = 230,325,903,243.87/519,862.15
  6. Step 6: Final answer
    x = 443,051.88

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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.