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Finding the Fourth Proportional to 374,589.63, 561,791.00 and 146,931.50

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Solution

The fourth proportional to 374,589.63, 561,791.00 and 146,931.50 is: 220,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,589.63 : 561,791.00 = 146,931.50 : x
  2. Step 2: Convert to fraction form
    374,589.63/561,791.00 = 146,931.50/x
  3. Step 3: Cross multiply
    374,589.63x = 561,791.00 × 146,931.50
  4. Step 4: Simplify right side
    374,589.63x = 82,544,796,088.31
  5. Step 5: Solve for x
    x = 82,544,796,088.31/374,589.63
  6. Step 6: Final answer
    x = 220,360.60

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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.