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Finding the Fourth Proportional to 549,674.54, 758,582.02 and 308,034.96

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Solution

The fourth proportional to 549,674.54, 758,582.02 and 308,034.96 is: 425,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,674.54 : 758,582.02 = 308,034.96 : x
  2. Step 2: Convert to fraction form
    549,674.54/758,582.02 = 308,034.96/x
  3. Step 3: Cross multiply
    549,674.54x = 758,582.02 × 308,034.96
  4. Step 4: Simplify right side
    549,674.54x = 233,669,785,494.73
  5. Step 5: Solve for x
    x = 233,669,785,494.73/549,674.54
  6. Step 6: Final answer
    x = 425,105.71

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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.