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Finding the Fourth Proportional to 549,093.76, 757,765.22 and 307,374.91

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Solution

The fourth proportional to 549,093.76, 757,765.22 and 307,374.91 is: 424,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,093.76 : 757,765.22 = 307,374.91 : x
  2. Step 2: Convert to fraction form
    549,093.76/757,765.22 = 307,374.91/x
  3. Step 3: Cross multiply
    549,093.76x = 757,765.22 × 307,374.91
  4. Step 4: Simplify right side
    549,093.76x = 232,918,014,761.76
  5. Step 5: Solve for x
    x = 232,918,014,761.76/549,093.76
  6. Step 6: Final answer
    x = 424,186.24

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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.