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Finding the Fourth Proportional to 1,555,723, 2,333,978.16 and 433,792

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Solution

The fourth proportional to 1,555,723, 2,333,978.16 and 433,792 is: 650,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,723 : 2,333,978.16 = 433,792 : x
  2. Step 2: Convert to fraction form
    1,555,723/2,333,978.16 = 433,792/x
  3. Step 3: Cross multiply
    1,555,723x = 2,333,978.16 × 433,792
  4. Step 4: Simplify right side
    1,555,723x = 1,012,461,053,982.72
  5. Step 5: Solve for x
    x = 1,012,461,053,982.72/1,555,723
  6. Step 6: Final answer
    x = 650,797.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.