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Finding the Fourth Proportional to 554,760.88, 831,641.94 and 199,525.26

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Solution

The fourth proportional to 554,760.88, 831,641.94 and 199,525.26 is: 299,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,760.88 : 831,641.94 = 199,525.26 : x
  2. Step 2: Convert to fraction form
    554,760.88/831,641.94 = 199,525.26/x
  3. Step 3: Cross multiply
    554,760.88x = 831,641.94 × 199,525.26
  4. Step 4: Simplify right side
    554,760.88x = 165,933,574,305.40
  5. Step 5: Solve for x
    x = 165,933,574,305.40/554,760.88
  6. Step 6: Final answer
    x = 299,108.28

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1.5x scale

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.