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Finding the Fourth Proportional to 307,260.30, 460,890.45 and 254,772.30

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Solution

The fourth proportional to 307,260.30, 460,890.45 and 254,772.30 is: 382,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,260.30 : 460,890.45 = 254,772.30 : x
  2. Step 2: Convert to fraction form
    307,260.30/460,890.45 = 254,772.30/x
  3. Step 3: Cross multiply
    307,260.30x = 460,890.45 × 254,772.30
  4. Step 4: Simplify right side
    307,260.30x = 117,422,119,994.54
  5. Step 5: Solve for x
    x = 117,422,119,994.54/307,260.30
  6. Step 6: Final answer
    x = 382,158.45

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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.