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Finding the Fourth Proportional to 904,103, 1,247,720.46 and 501,695

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Solution

The fourth proportional to 904,103, 1,247,720.46 and 501,695 is: 692,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,103 : 1,247,720.46 = 501,695 : x
  2. Step 2: Convert to fraction form
    904,103/1,247,720.46 = 501,695/x
  3. Step 3: Cross multiply
    904,103x = 1,247,720.46 × 501,695
  4. Step 4: Simplify right side
    904,103x = 625,975,116,179.70
  5. Step 5: Solve for x
    x = 625,975,116,179.70/904,103
  6. Step 6: Final answer
    x = 692,371.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.