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Finding the Fourth Proportional to 467,076, 644,565.60 and 265,872

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Solution

The fourth proportional to 467,076, 644,565.60 and 265,872 is: 366,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,076 : 644,565.60 = 265,872 : x
  2. Step 2: Convert to fraction form
    467,076/644,565.60 = 265,872/x
  3. Step 3: Cross multiply
    467,076x = 644,565.60 × 265,872
  4. Step 4: Simplify right side
    467,076x = 171,371,945,203.20
  5. Step 5: Solve for x
    x = 171,371,945,203.20/467,076
  6. Step 6: Final answer
    x = 366,903.77

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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.