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Finding the Fourth Proportional to 607,946.34, 839,009.39 and 336,008.39

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Solution

The fourth proportional to 607,946.34, 839,009.39 and 336,008.39 is: 463,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,946.34 : 839,009.39 = 336,008.39 : x
  2. Step 2: Convert to fraction form
    607,946.34/839,009.39 = 336,008.39/x
  3. Step 3: Cross multiply
    607,946.34x = 839,009.39 × 336,008.39
  4. Step 4: Simplify right side
    607,946.34x = 281,914,188,453.69
  5. Step 5: Solve for x
    x = 281,914,188,453.69/607,946.34
  6. Step 6: Final answer
    x = 463,715.58

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Double scale
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Similar ratio
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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.