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Finding the Fourth Proportional to 472,208.96, 651,624 and 270,992

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Solution

The fourth proportional to 472,208.96, 651,624 and 270,992 is: 373,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,208.96 : 651,624 = 270,992 : x
  2. Step 2: Convert to fraction form
    472,208.96/651,624 = 270,992/x
  3. Step 3: Cross multiply
    472,208.96x = 651,624 × 270,992
  4. Step 4: Simplify right side
    472,208.96x = 176,584,891,008
  5. Step 5: Solve for x
    x = 176,584,891,008/472,208.96
  6. Step 6: Final answer
    x = 373,954.98

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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.