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Finding the Fourth Proportional to 402,481.25, 555,302.88 and 241,277.48

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Solution

The fourth proportional to 402,481.25, 555,302.88 and 241,277.48 is: 332,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,481.25 : 555,302.88 = 241,277.48 : x
  2. Step 2: Convert to fraction form
    402,481.25/555,302.88 = 241,277.48/x
  3. Step 3: Cross multiply
    402,481.25x = 555,302.88 × 241,277.48
  4. Step 4: Simplify right side
    402,481.25x = 133,982,076,746.63
  5. Step 5: Solve for x
    x = 133,982,076,746.63/402,481.25
  6. Step 6: Final answer
    x = 332,890.24

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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.