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Finding the Fourth Proportional to 605,784.71, 908,785.15 and 201,001.18

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Solution

The fourth proportional to 605,784.71, 908,785.15 and 201,001.18 is: 301,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,784.71 : 908,785.15 = 201,001.18 : x
  2. Step 2: Convert to fraction form
    605,784.71/908,785.15 = 201,001.18/x
  3. Step 3: Cross multiply
    605,784.71x = 908,785.15 × 201,001.18
  4. Step 4: Simplify right side
    605,784.71x = 182,666,887,516.48
  5. Step 5: Solve for x
    x = 182,666,887,516.48/605,784.71
  6. Step 6: Final answer
    x = 301,537.63

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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.