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Finding the Fourth Proportional to 374,438.60, 561,657.90 and 374,438.60

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Solution

The fourth proportional to 374,438.60, 561,657.90 and 374,438.60 is: 561,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,438.60 : 561,657.90 = 374,438.60 : x
  2. Step 2: Convert to fraction form
    374,438.60/561,657.90 = 374,438.60/x
  3. Step 3: Cross multiply
    374,438.60x = 561,657.90 × 374,438.60
  4. Step 4: Simplify right side
    374,438.60x = 210,306,397,754.94
  5. Step 5: Solve for x
    x = 210,306,397,754.94/374,438.60
  6. Step 6: Final answer
    x = 561,657.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.