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Finding the Fourth Proportional to 294,906.30, 442,359.45 and 73,290.30

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Solution

The fourth proportional to 294,906.30, 442,359.45 and 73,290.30 is: 109,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,906.30 : 442,359.45 = 73,290.30 : x
  2. Step 2: Convert to fraction form
    294,906.30/442,359.45 = 73,290.30/x
  3. Step 3: Cross multiply
    294,906.30x = 442,359.45 × 73,290.30
  4. Step 4: Simplify right side
    294,906.30x = 32,420,656,798.34
  5. Step 5: Solve for x
    x = 32,420,656,798.34/294,906.30
  6. Step 6: Final answer
    x = 109,935.45

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Similar ratio
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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.