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Finding the Fourth Proportional to 460,076.83, 690,256.10 and 235,596.21

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Solution

The fourth proportional to 460,076.83, 690,256.10 and 235,596.21 is: 353,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,076.83 : 690,256.10 = 235,596.21 : x
  2. Step 2: Convert to fraction form
    460,076.83/690,256.10 = 235,596.21/x
  3. Step 3: Cross multiply
    460,076.83x = 690,256.10 × 235,596.21
  4. Step 4: Simplify right side
    460,076.83x = 162,621,717,764.68
  5. Step 5: Solve for x
    x = 162,621,717,764.68/460,076.83
  6. Step 6: Final answer
    x = 353,466.43

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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.