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Finding the Fourth Proportional to 1,949,807.56, 2,923,874.88 and 670,543.84

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Solution

The fourth proportional to 1,949,807.56, 2,923,874.88 and 670,543.84 is: 1,005,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,807.56 : 2,923,874.88 = 670,543.84 : x
  2. Step 2: Convert to fraction form
    1,949,807.56/2,923,874.88 = 670,543.84/x
  3. Step 3: Cross multiply
    1,949,807.56x = 2,923,874.88 × 670,543.84
  4. Step 4: Simplify right side
    1,949,807.56x = 1,960,586,289,714.74
  5. Step 5: Solve for x
    x = 1,960,586,289,714.74/1,949,807.56
  6. Step 6: Final answer
    x = 1,005,528.10

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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.