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Finding the Fourth Proportional to 474,573.40, 654,809.86 and 281,041.92

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Solution

The fourth proportional to 474,573.40, 654,809.86 and 281,041.92 is: 387,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,573.40 : 654,809.86 = 281,041.92 : x
  2. Step 2: Convert to fraction form
    474,573.40/654,809.86 = 281,041.92/x
  3. Step 3: Cross multiply
    474,573.40x = 654,809.86 × 281,041.92
  4. Step 4: Simplify right side
    474,573.40x = 184,029,020,289.33
  5. Step 5: Solve for x
    x = 184,029,020,289.33/474,573.40
  6. Step 6: Final answer
    x = 387,777.78

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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.