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Finding the Fourth Proportional to 619,913.88, 929,870.82 and 245,936.88

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Solution

The fourth proportional to 619,913.88, 929,870.82 and 245,936.88 is: 368,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,913.88 : 929,870.82 = 245,936.88 : x
  2. Step 2: Convert to fraction form
    619,913.88/929,870.82 = 245,936.88/x
  3. Step 3: Cross multiply
    619,913.88x = 929,870.82 × 245,936.88
  4. Step 4: Simplify right side
    619,913.88x = 228,689,528,273.84
  5. Step 5: Solve for x
    x = 228,689,528,273.84/619,913.88
  6. Step 6: Final answer
    x = 368,905.32

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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.