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Finding the Fourth Proportional to 645,990.93, 969,050.93 and 246,967.38

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Solution

The fourth proportional to 645,990.93, 969,050.93 and 246,967.38 is: 370,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,990.93 : 969,050.93 = 246,967.38 : x
  2. Step 2: Convert to fraction form
    645,990.93/969,050.93 = 246,967.38/x
  3. Step 3: Cross multiply
    645,990.93x = 969,050.93 × 246,967.38
  4. Step 4: Simplify right side
    645,990.93x = 239,323,968,033.83
  5. Step 5: Solve for x
    x = 239,323,968,033.83/645,990.93
  6. Step 6: Final answer
    x = 370,475.74

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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.