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Finding the Fourth Proportional to 251,164.20, 376,090.20 and 239,354.40

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Solution

The fourth proportional to 251,164.20, 376,090.20 and 239,354.40 is: 358,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,164.20 : 376,090.20 = 239,354.40 : x
  2. Step 2: Convert to fraction form
    251,164.20/376,090.20 = 239,354.40/x
  3. Step 3: Cross multiply
    251,164.20x = 376,090.20 × 239,354.40
  4. Step 4: Simplify right side
    251,164.20x = 90,018,844,166.88
  5. Step 5: Solve for x
    x = 90,018,844,166.88/251,164.20
  6. Step 6: Final answer
    x = 358,406.35

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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.