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Finding the Fourth Proportional to 662,691, 994,036.50 and 164,055

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Solution

The fourth proportional to 662,691, 994,036.50 and 164,055 is: 246,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,691 : 994,036.50 = 164,055 : x
  2. Step 2: Convert to fraction form
    662,691/994,036.50 = 164,055/x
  3. Step 3: Cross multiply
    662,691x = 994,036.50 × 164,055
  4. Step 4: Simplify right side
    662,691x = 163,076,658,007.50
  5. Step 5: Solve for x
    x = 163,076,658,007.50/662,691
  6. Step 6: Final answer
    x = 246,082.50

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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.