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Finding the Fourth Proportional to 304,880.28, 420,782.76 and 174,058.26

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Solution

The fourth proportional to 304,880.28, 420,782.76 and 174,058.26 is: 240,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,880.28 : 420,782.76 = 174,058.26 : x
  2. Step 2: Convert to fraction form
    304,880.28/420,782.76 = 174,058.26/x
  3. Step 3: Cross multiply
    304,880.28x = 420,782.76 × 174,058.26
  4. Step 4: Simplify right side
    304,880.28x = 73,240,715,043.60
  5. Step 5: Solve for x
    x = 73,240,715,043.60/304,880.28
  6. Step 6: Final answer
    x = 240,227.79

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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.