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Finding the Fourth Proportional to 549,712.92, 758,268.52 and 363,443.72

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Solution

The fourth proportional to 549,712.92, 758,268.52 and 363,443.72 is: 501,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,712.92 : 758,268.52 = 363,443.72 : x
  2. Step 2: Convert to fraction form
    549,712.92/758,268.52 = 363,443.72/x
  3. Step 3: Cross multiply
    549,712.92x = 758,268.52 × 363,443.72
  4. Step 4: Simplify right side
    549,712.92x = 275,587,931,667.69
  5. Step 5: Solve for x
    x = 275,587,931,667.69/549,712.92
  6. Step 6: Final answer
    x = 501,330.64

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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.