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Finding the Fourth Proportional to 662,977.71, 994,619.52 and 207,543.06

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Solution

The fourth proportional to 662,977.71, 994,619.52 and 207,543.06 is: 311,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,977.71 : 994,619.52 = 207,543.06 : x
  2. Step 2: Convert to fraction form
    662,977.71/994,619.52 = 207,543.06/x
  3. Step 3: Cross multiply
    662,977.71x = 994,619.52 × 207,543.06
  4. Step 4: Simplify right side
    662,977.71x = 206,426,378,716.53
  5. Step 5: Solve for x
    x = 206,426,378,716.53/662,977.71
  6. Step 6: Final answer
    x = 311,362.47

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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.