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Finding the Fourth Proportional to 483,513.40, 725,270.10 and 480,014.20

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Solution

The fourth proportional to 483,513.40, 725,270.10 and 480,014.20 is: 720,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,513.40 : 725,270.10 = 480,014.20 : x
  2. Step 2: Convert to fraction form
    483,513.40/725,270.10 = 480,014.20/x
  3. Step 3: Cross multiply
    483,513.40x = 725,270.10 × 480,014.20
  4. Step 4: Simplify right side
    483,513.40x = 348,139,946,835.42
  5. Step 5: Solve for x
    x = 348,139,946,835.42/483,513.40
  6. Step 6: Final answer
    x = 720,021.30

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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.