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Finding the Fourth Proportional to 374,633.32, 561,657.84 and 254,373.16

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Solution

The fourth proportional to 374,633.32, 561,657.84 and 254,373.16 is: 381,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,633.32 : 561,657.84 = 254,373.16 : x
  2. Step 2: Convert to fraction form
    374,633.32/561,657.84 = 254,373.16/x
  3. Step 3: Cross multiply
    374,633.32x = 561,657.84 × 254,373.16
  4. Step 4: Simplify right side
    374,633.32x = 142,870,679,599.57
  5. Step 5: Solve for x
    x = 142,870,679,599.57/374,633.32
  6. Step 6: Final answer
    x = 381,361.38

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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.