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Finding the Fourth Proportional to 439,475.52, 606,489.02 and 248,484.81

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Solution

The fourth proportional to 439,475.52, 606,489.02 and 248,484.81 is: 342,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,475.52 : 606,489.02 = 248,484.81 : x
  2. Step 2: Convert to fraction form
    439,475.52/606,489.02 = 248,484.81/x
  3. Step 3: Cross multiply
    439,475.52x = 606,489.02 × 248,484.81
  4. Step 4: Simplify right side
    439,475.52x = 150,703,308,901.79
  5. Step 5: Solve for x
    x = 150,703,308,901.79/439,475.52
  6. Step 6: Final answer
    x = 342,916.28

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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.