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Finding the Fourth Proportional to 474,432.67, 654,652.43 and 283,405.51

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Solution

The fourth proportional to 474,432.67, 654,652.43 and 283,405.51 is: 391,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,432.67 : 654,652.43 = 283,405.51 : x
  2. Step 2: Convert to fraction form
    474,432.67/654,652.43 = 283,405.51/x
  3. Step 3: Cross multiply
    474,432.67x = 654,652.43 × 283,405.51
  4. Step 4: Simplify right side
    474,432.67x = 185,532,104,379.86
  5. Step 5: Solve for x
    x = 185,532,104,379.86/474,432.67
  6. Step 6: Final answer
    x = 391,060.98

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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.