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Finding the Fourth Proportional to 549,824.72, 758,804.64 and 308,104.52

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Solution

The fourth proportional to 549,824.72, 758,804.64 and 308,104.52 is: 425,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,824.72 : 758,804.64 = 308,104.52 : x
  2. Step 2: Convert to fraction form
    549,824.72/758,804.64 = 308,104.52/x
  3. Step 3: Cross multiply
    549,824.72x = 758,804.64 × 308,104.52
  4. Step 4: Simplify right side
    549,824.72x = 233,791,139,380.97
  5. Step 5: Solve for x
    x = 233,791,139,380.97/549,824.72
  6. Step 6: Final answer
    x = 425,210.31

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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.