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Finding the Fourth Proportional to 467,076, 644,567.44 and 255,108

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Solution

The fourth proportional to 467,076, 644,567.44 and 255,108 is: 352,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,076 : 644,567.44 = 255,108 : x
  2. Step 2: Convert to fraction form
    467,076/644,567.44 = 255,108/x
  3. Step 3: Cross multiply
    467,076x = 644,567.44 × 255,108
  4. Step 4: Simplify right side
    467,076x = 164,434,310,483.52
  5. Step 5: Solve for x
    x = 164,434,310,483.52/467,076
  6. Step 6: Final answer
    x = 352,050.44

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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.