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Finding the Fourth Proportional to 934,299.60, 1,401,449.40 and 343,246.80

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Solution

The fourth proportional to 934,299.60, 1,401,449.40 and 343,246.80 is: 514,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,299.60 : 1,401,449.40 = 343,246.80 : x
  2. Step 2: Convert to fraction form
    934,299.60/1,401,449.40 = 343,246.80/x
  3. Step 3: Cross multiply
    934,299.60x = 1,401,449.40 × 343,246.80
  4. Step 4: Simplify right side
    934,299.60x = 481,043,021,911.92
  5. Step 5: Solve for x
    x = 481,043,021,911.92/934,299.60
  6. Step 6: Final answer
    x = 514,870.20

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Double scale
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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.