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Finding the Fourth Proportional to 240,528.70, 361,570.65 and 221,866.30

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Solution

The fourth proportional to 240,528.70, 361,570.65 and 221,866.30 is: 333,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,528.70 : 361,570.65 = 221,866.30 : x
  2. Step 2: Convert to fraction form
    240,528.70/361,570.65 = 221,866.30/x
  3. Step 3: Cross multiply
    240,528.70x = 361,570.65 × 221,866.30
  4. Step 4: Simplify right side
    240,528.70x = 80,220,342,304.10
  5. Step 5: Solve for x
    x = 80,220,342,304.10/240,528.70
  6. Step 6: Final answer
    x = 333,516.72

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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.