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Finding the Fourth Proportional to 934,797.70, 1,290,285.21 and 552,957.22

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Solution

The fourth proportional to 934,797.70, 1,290,285.21 and 552,957.22 is: 763,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,797.70 : 1,290,285.21 = 552,957.22 : x
  2. Step 2: Convert to fraction form
    934,797.70/1,290,285.21 = 552,957.22/x
  3. Step 3: Cross multiply
    934,797.70x = 1,290,285.21 × 552,957.22
  4. Step 4: Simplify right side
    934,797.70x = 713,472,522,728.72
  5. Step 5: Solve for x
    x = 713,472,522,728.72/934,797.70
  6. Step 6: Final answer
    x = 763,237.35

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Why These Related Problems?

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