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Finding the Fourth Proportional to 329,588.18, 494,407.02 and 140,027.22

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Solution

The fourth proportional to 329,588.18, 494,407.02 and 140,027.22 is: 210,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,588.18 : 494,407.02 = 140,027.22 : x
  2. Step 2: Convert to fraction form
    329,588.18/494,407.02 = 140,027.22/x
  3. Step 3: Cross multiply
    329,588.18x = 494,407.02 × 140,027.22
  4. Step 4: Simplify right side
    329,588.18x = 69,230,440,559.08
  5. Step 5: Solve for x
    x = 69,230,440,559.08/329,588.18
  6. Step 6: Final answer
    x = 210,051.35

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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.