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Finding the Fourth Proportional to 469,243.92, 647,807.86 and 367,052.26

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Solution

The fourth proportional to 469,243.92, 647,807.86 and 367,052.26 is: 506,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,243.92 : 647,807.86 = 367,052.26 : x
  2. Step 2: Convert to fraction form
    469,243.92/647,807.86 = 367,052.26/x
  3. Step 3: Cross multiply
    469,243.92x = 647,807.86 × 367,052.26
  4. Step 4: Simplify right side
    469,243.92x = 237,779,339,058.76
  5. Step 5: Solve for x
    x = 237,779,339,058.76/469,243.92
  6. Step 6: Final answer
    x = 506,728.65

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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.