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Finding the Fourth Proportional to 262,533.40, 393,800.10 and 251,015.20

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Solution

The fourth proportional to 262,533.40, 393,800.10 and 251,015.20 is: 376,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,533.40 : 393,800.10 = 251,015.20 : x
  2. Step 2: Convert to fraction form
    262,533.40/393,800.10 = 251,015.20/x
  3. Step 3: Cross multiply
    262,533.40x = 393,800.10 × 251,015.20
  4. Step 4: Simplify right side
    262,533.40x = 98,849,810,861.52
  5. Step 5: Solve for x
    x = 98,849,810,861.52/262,533.40
  6. Step 6: Final answer
    x = 376,522.80

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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.