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Finding the Fourth Proportional to 554,795.20, 831,706.80 and 376,724.80

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Solution

The fourth proportional to 554,795.20, 831,706.80 and 376,724.80 is: 564,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,795.20 : 831,706.80 = 376,724.80 : x
  2. Step 2: Convert to fraction form
    554,795.20/831,706.80 = 376,724.80/x
  3. Step 3: Cross multiply
    554,795.20x = 831,706.80 × 376,724.80
  4. Step 4: Simplify right side
    554,795.20x = 313,324,577,888.64
  5. Step 5: Solve for x
    x = 313,324,577,888.64/554,795.20
  6. Step 6: Final answer
    x = 564,757.19

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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.