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Finding the Fourth Proportional to 621,824.70, 932,506.65 and 201,114.30

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Solution

The fourth proportional to 621,824.70, 932,506.65 and 201,114.30 is: 301,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,824.70 : 932,506.65 = 201,114.30 : x
  2. Step 2: Convert to fraction form
    621,824.70/932,506.65 = 201,114.30/x
  3. Step 3: Cross multiply
    621,824.70x = 932,506.65 × 201,114.30
  4. Step 4: Simplify right side
    621,824.70x = 187,540,422,160.10
  5. Step 5: Solve for x
    x = 187,540,422,160.10/621,824.70
  6. Step 6: Final answer
    x = 301,596.93

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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.