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Finding the Fourth Proportional to 703,147.47, 969,705.70 and 461,338.17

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Solution

The fourth proportional to 703,147.47, 969,705.70 and 461,338.17 is: 636,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,147.47 : 969,705.70 = 461,338.17 : x
  2. Step 2: Convert to fraction form
    703,147.47/969,705.70 = 461,338.17/x
  3. Step 3: Cross multiply
    703,147.47x = 969,705.70 × 461,338.17
  4. Step 4: Simplify right side
    703,147.47x = 447,362,253,076.57
  5. Step 5: Solve for x
    x = 447,362,253,076.57/703,147.47
  6. Step 6: Final answer
    x = 636,228.21

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Double scale
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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.