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Finding the Fourth Proportional to 443,466.80, 665,200.20 and 303,498.80

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Solution

The fourth proportional to 443,466.80, 665,200.20 and 303,498.80 is: 455,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,466.80 : 665,200.20 = 303,498.80 : x
  2. Step 2: Convert to fraction form
    443,466.80/665,200.20 = 303,498.80/x
  3. Step 3: Cross multiply
    443,466.80x = 665,200.20 × 303,498.80
  4. Step 4: Simplify right side
    443,466.80x = 201,887,462,459.76
  5. Step 5: Solve for x
    x = 201,887,462,459.76/443,466.80
  6. Step 6: Final answer
    x = 455,248.20

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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.