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Finding the Fourth Proportional to 360,810.08, 541,428.93 and 201,019.76

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Solution

The fourth proportional to 360,810.08, 541,428.93 and 201,019.76 is: 301,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,810.08 : 541,428.93 = 201,019.76 : x
  2. Step 2: Convert to fraction form
    360,810.08/541,428.93 = 201,019.76/x
  3. Step 3: Cross multiply
    360,810.08x = 541,428.93 × 201,019.76
  4. Step 4: Simplify right side
    360,810.08x = 108,837,913,565.66
  5. Step 5: Solve for x
    x = 108,837,913,565.66/360,810.08
  6. Step 6: Final answer
    x = 301,648.76

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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.