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Finding the Fourth Proportional to 549,956.32, 757,801.83 and 442,093.48

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Solution

The fourth proportional to 549,956.32, 757,801.83 and 442,093.48 is: 609,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,956.32 : 757,801.83 = 442,093.48 : x
  2. Step 2: Convert to fraction form
    549,956.32/757,801.83 = 442,093.48/x
  3. Step 3: Cross multiply
    549,956.32x = 757,801.83 × 442,093.48
  4. Step 4: Simplify right side
    549,956.32x = 335,019,248,175.07
  5. Step 5: Solve for x
    x = 335,019,248,175.07/549,956.32
  6. Step 6: Final answer
    x = 609,174.29

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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.