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Finding the Fourth Proportional to 627,955.90, 866,601.93 and 359,735.74

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Solution

The fourth proportional to 627,955.90, 866,601.93 and 359,735.74 is: 496,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,955.90 : 866,601.93 = 359,735.74 : x
  2. Step 2: Convert to fraction form
    627,955.90/866,601.93 = 359,735.74/x
  3. Step 3: Cross multiply
    627,955.90x = 866,601.93 × 359,735.74
  4. Step 4: Simplify right side
    627,955.90x = 311,747,686,573.98
  5. Step 5: Solve for x
    x = 311,747,686,573.98/627,955.90
  6. Step 6: Final answer
    x = 496,448.38

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1.5x scale

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.