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Finding the Fourth Proportional to 4,978,483.59, 7,468,244.37 and 1,904,468.43

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Solution

The fourth proportional to 4,978,483.59, 7,468,244.37 and 1,904,468.43 is: 2,856,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,483.59 : 7,468,244.37 = 1,904,468.43 : x
  2. Step 2: Convert to fraction form
    4,978,483.59/7,468,244.37 = 1,904,468.43/x
  3. Step 3: Cross multiply
    4,978,483.59x = 7,468,244.37 × 1,904,468.43
  4. Step 4: Simplify right side
    4,978,483.59x = 14,223,035,642,548.04
  5. Step 5: Solve for x
    x = 14,223,035,642,548.04/4,978,483.59
  6. Step 6: Final answer
    x = 2,856,901.18

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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.