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Finding the Fourth Proportional to 554,033.98, 831,075.86 and 169,754.68

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Solution

The fourth proportional to 554,033.98, 831,075.86 and 169,754.68 is: 254,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,033.98 : 831,075.86 = 169,754.68 : x
  2. Step 2: Convert to fraction form
    554,033.98/831,075.86 = 169,754.68/x
  3. Step 3: Cross multiply
    554,033.98x = 831,075.86 × 169,754.68
  4. Step 4: Simplify right side
    554,033.98x = 141,079,015,795.86
  5. Step 5: Solve for x
    x = 141,079,015,795.86/554,033.98
  6. Step 6: Final answer
    x = 254,639.64

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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.