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Finding the Fourth Proportional to 549,330.92, 758,014.02 and 307,579.88

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Solution

The fourth proportional to 549,330.92, 758,014.02 and 307,579.88 is: 424,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,330.92 : 758,014.02 = 307,579.88 : x
  2. Step 2: Convert to fraction form
    549,330.92/758,014.02 = 307,579.88/x
  3. Step 3: Cross multiply
    549,330.92x = 758,014.02 × 307,579.88
  4. Step 4: Simplify right side
    549,330.92x = 233,149,861,309.92
  5. Step 5: Solve for x
    x = 233,149,861,309.92/549,330.92
  6. Step 6: Final answer
    x = 424,425.16

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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.