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Finding the Fourth Proportional to 372,941.59, 514,660.05 and 211,796.60

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Solution

The fourth proportional to 372,941.59, 514,660.05 and 211,796.60 is: 292,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,941.59 : 514,660.05 = 211,796.60 : x
  2. Step 2: Convert to fraction form
    372,941.59/514,660.05 = 211,796.60/x
  3. Step 3: Cross multiply
    372,941.59x = 514,660.05 × 211,796.60
  4. Step 4: Simplify right side
    372,941.59x = 109,003,246,875.41
  5. Step 5: Solve for x
    x = 109,003,246,875.41/372,941.59
  6. Step 6: Final answer
    x = 292,279.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.