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Finding the Fourth Proportional to 499,422.81, 749,245.19 and 233,038.02

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Solution

The fourth proportional to 499,422.81, 749,245.19 and 233,038.02 is: 349,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,422.81 : 749,245.19 = 233,038.02 : x
  2. Step 2: Convert to fraction form
    499,422.81/749,245.19 = 233,038.02/x
  3. Step 3: Cross multiply
    499,422.81x = 749,245.19 × 233,038.02
  4. Step 4: Simplify right side
    499,422.81x = 174,602,614,406.93
  5. Step 5: Solve for x
    x = 174,602,614,406.93/499,422.81
  6. Step 6: Final answer
    x = 349,608.81

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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.