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Finding the Fourth Proportional to 653,155.83, 901,305.27 and 366,620.58

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Solution

The fourth proportional to 653,155.83, 901,305.27 and 366,620.58 is: 505,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,155.83 : 901,305.27 = 366,620.58 : x
  2. Step 2: Convert to fraction form
    653,155.83/901,305.27 = 366,620.58/x
  3. Step 3: Cross multiply
    653,155.83x = 901,305.27 × 366,620.58
  4. Step 4: Simplify right side
    653,155.83x = 330,437,060,844.46
  5. Step 5: Solve for x
    x = 330,437,060,844.46/653,155.83
  6. Step 6: Final answer
    x = 505,908.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.