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Finding the Fourth Proportional to 322,974.30, 484,461.45 and 240,030.30

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Solution

The fourth proportional to 322,974.30, 484,461.45 and 240,030.30 is: 360,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,974.30 : 484,461.45 = 240,030.30 : x
  2. Step 2: Convert to fraction form
    322,974.30/484,461.45 = 240,030.30/x
  3. Step 3: Cross multiply
    322,974.30x = 484,461.45 × 240,030.30
  4. Step 4: Simplify right side
    322,974.30x = 116,285,427,181.94
  5. Step 5: Solve for x
    x = 116,285,427,181.94/322,974.30
  6. Step 6: Final answer
    x = 360,045.45

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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.