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Finding the Fourth Proportional to 402,276.52, 555,123.64 and 241,220.44

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Solution

The fourth proportional to 402,276.52, 555,123.64 and 241,220.44 is: 332,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,276.52 : 555,123.64 = 241,220.44 : x
  2. Step 2: Convert to fraction form
    402,276.52/555,123.64 = 241,220.44/x
  3. Step 3: Cross multiply
    402,276.52x = 555,123.64 × 241,220.44
  4. Step 4: Simplify right side
    402,276.52x = 133,907,168,695.20
  5. Step 5: Solve for x
    x = 133,907,168,695.20/402,276.52
  6. Step 6: Final answer
    x = 332,873.44

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1.5x scale

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.