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Finding the Fourth Proportional to 466,897.32, 644,309.52 and 285,595.94

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Solution

The fourth proportional to 466,897.32, 644,309.52 and 285,595.94 is: 394,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,897.32 : 644,309.52 = 285,595.94 : x
  2. Step 2: Convert to fraction form
    466,897.32/644,309.52 = 285,595.94/x
  3. Step 3: Cross multiply
    466,897.32x = 644,309.52 × 285,595.94
  4. Step 4: Simplify right side
    466,897.32x = 184,012,183,015.35
  5. Step 5: Solve for x
    x = 184,012,183,015.35/466,897.32
  6. Step 6: Final answer
    x = 394,117.03

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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.