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Finding the Fourth Proportional to 210,361.30, 292,258.30 and 207,839.04

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Solution

The fourth proportional to 210,361.30, 292,258.30 and 207,839.04 is: 288,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,361.30 : 292,258.30 = 207,839.04 : x
  2. Step 2: Convert to fraction form
    210,361.30/292,258.30 = 207,839.04/x
  3. Step 3: Cross multiply
    210,361.30x = 292,258.30 × 207,839.04
  4. Step 4: Simplify right side
    210,361.30x = 60,742,684,504.03
  5. Step 5: Solve for x
    x = 60,742,684,504.03/210,361.30
  6. Step 6: Final answer
    x = 288,754.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.