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Finding the Fourth Proportional to 292,216.52, 437,660.48 and 228,640.44

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Solution

The fourth proportional to 292,216.52, 437,660.48 and 228,640.44 is: 342,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,216.52 : 437,660.48 = 228,640.44 : x
  2. Step 2: Convert to fraction form
    292,216.52/437,660.48 = 228,640.44/x
  3. Step 3: Cross multiply
    292,216.52x = 437,660.48 × 228,640.44
  4. Step 4: Simplify right side
    292,216.52x = 100,066,884,717.81
  5. Step 5: Solve for x
    x = 100,066,884,717.81/292,216.52
  6. Step 6: Final answer
    x = 342,440.89

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1.5x scale

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.