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Finding the Fourth Proportional to 540,014.20, 808,466.10 and 330,062.20

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Solution

The fourth proportional to 540,014.20, 808,466.10 and 330,062.20 is: 494,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,014.20 : 808,466.10 = 330,062.20 : x
  2. Step 2: Convert to fraction form
    540,014.20/808,466.10 = 330,062.20/x
  3. Step 3: Cross multiply
    540,014.20x = 808,466.10 × 330,062.20
  4. Step 4: Simplify right side
    540,014.20x = 266,844,099,591.42
  5. Step 5: Solve for x
    x = 266,844,099,591.42/540,014.20
  6. Step 6: Final answer
    x = 494,142.75

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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.