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Finding the Fourth Proportional to 374,384.71, 561,829.77 and 146,652.09

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Solution

The fourth proportional to 374,384.71, 561,829.77 and 146,652.09 is: 220,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,384.71 : 561,829.77 = 146,652.09 : x
  2. Step 2: Convert to fraction form
    374,384.71/561,829.77 = 146,652.09/x
  3. Step 3: Cross multiply
    374,384.71x = 561,829.77 × 146,652.09
  4. Step 4: Simplify right side
    374,384.71x = 82,393,507,887.86
  5. Step 5: Solve for x
    x = 82,393,507,887.86/374,384.71
  6. Step 6: Final answer
    x = 220,077.12

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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.