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Finding the Fourth Proportional to 645,888.38, 968,898.63 and 246,865.01

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Solution

The fourth proportional to 645,888.38, 968,898.63 and 246,865.01 is: 370,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,888.38 : 968,898.63 = 246,865.01 : x
  2. Step 2: Convert to fraction form
    645,888.38/968,898.63 = 246,865.01/x
  3. Step 3: Cross multiply
    645,888.38x = 968,898.63 × 246,865.01
  4. Step 4: Simplify right side
    645,888.38x = 239,187,169,983.94
  5. Step 5: Solve for x
    x = 239,187,169,983.94/645,888.38
  6. Step 6: Final answer
    x = 370,322.76

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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.