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Finding the Fourth Proportional to 630,600.40, 945,900.60 and 293,640.40

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Solution

The fourth proportional to 630,600.40, 945,900.60 and 293,640.40 is: 440,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,600.40 : 945,900.60 = 293,640.40 : x
  2. Step 2: Convert to fraction form
    630,600.40/945,900.60 = 293,640.40/x
  3. Step 3: Cross multiply
    630,600.40x = 945,900.60 × 293,640.40
  4. Step 4: Simplify right side
    630,600.40x = 277,754,630,544.24
  5. Step 5: Solve for x
    x = 277,754,630,544.24/630,600.40
  6. Step 6: Final answer
    x = 440,460.60

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Similar ratio
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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.