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Finding the Fourth Proportional to 570,833.10, 855,087.03 and 270,403.02

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Solution

The fourth proportional to 570,833.10, 855,087.03 and 270,403.02 is: 405,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,833.10 : 855,087.03 = 270,403.02 : x
  2. Step 2: Convert to fraction form
    570,833.10/855,087.03 = 270,403.02/x
  3. Step 3: Cross multiply
    570,833.10x = 855,087.03 × 270,403.02
  4. Step 4: Simplify right side
    570,833.10x = 231,218,115,274.83
  5. Step 5: Solve for x
    x = 231,218,115,274.83/570,833.10
  6. Step 6: Final answer
    x = 405,053.80

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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.