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Finding the Fourth Proportional to 4,997,491.86, 7,496,695.27 and 1,403,234.57

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Solution

The fourth proportional to 4,997,491.86, 7,496,695.27 and 1,403,234.57 is: 2,104,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997,491.86 : 7,496,695.27 = 1,403,234.57 : x
  2. Step 2: Convert to fraction form
    4,997,491.86/7,496,695.27 = 1,403,234.57/x
  3. Step 3: Cross multiply
    4,997,491.86x = 7,496,695.27 × 1,403,234.57
  4. Step 4: Simplify right side
    4,997,491.86x = 10,519,621,963,619.48
  5. Step 5: Solve for x
    x = 10,519,621,963,619.48/4,997,491.86
  6. Step 6: Final answer
    x = 2,104,980.31

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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.