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Finding the Fourth Proportional to 602,055.58, 901,311.86 and 401,879.48

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Solution

The fourth proportional to 602,055.58, 901,311.86 and 401,879.48 is: 601,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,055.58 : 901,311.86 = 401,879.48 : x
  2. Step 2: Convert to fraction form
    602,055.58/901,311.86 = 401,879.48/x
  3. Step 3: Cross multiply
    602,055.58x = 901,311.86 × 401,879.48
  4. Step 4: Simplify right side
    602,055.58x = 362,218,741,614.63
  5. Step 5: Solve for x
    x = 362,218,741,614.63/602,055.58
  6. Step 6: Final answer
    x = 601,636.72

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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.