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Finding the Fourth Proportional to 374,263.56, 561,482.94 and 255,990.60

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Solution

The fourth proportional to 374,263.56, 561,482.94 and 255,990.60 is: 384,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,263.56 : 561,482.94 = 255,990.60 : x
  2. Step 2: Convert to fraction form
    374,263.56/561,482.94 = 255,990.60/x
  3. Step 3: Cross multiply
    374,263.56x = 561,482.94 × 255,990.60
  4. Step 4: Simplify right side
    374,263.56x = 143,734,354,700.36
  5. Step 5: Solve for x
    x = 143,734,354,700.36/374,263.56
  6. Step 6: Final answer
    x = 384,045.82

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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.