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Finding the Fourth Proportional to 366,294.11, 549,503.19 and 126,342.86

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Solution

The fourth proportional to 366,294.11, 549,503.19 and 126,342.86 is: 189,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,294.11 : 549,503.19 = 126,342.86 : x
  2. Step 2: Convert to fraction form
    366,294.11/549,503.19 = 126,342.86/x
  3. Step 3: Cross multiply
    366,294.11x = 549,503.19 × 126,342.86
  4. Step 4: Simplify right side
    366,294.11x = 69,425,804,603.72
  5. Step 5: Solve for x
    x = 69,425,804,603.72/366,294.11
  6. Step 6: Final answer
    x = 189,535.68

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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.