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Finding the Fourth Proportional to 251,236.40, 376,271.40 and 245,404.40

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Solution

The fourth proportional to 251,236.40, 376,271.40 and 245,404.40 is: 367,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,236.40 : 376,271.40 = 245,404.40 : x
  2. Step 2: Convert to fraction form
    251,236.40/376,271.40 = 245,404.40/x
  3. Step 3: Cross multiply
    251,236.40x = 376,271.40 × 245,404.40
  4. Step 4: Simplify right side
    251,236.40x = 92,338,657,154.16
  5. Step 5: Solve for x
    x = 92,338,657,154.16/251,236.40
  6. Step 6: Final answer
    x = 367,536.94

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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.