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Finding the Fourth Proportional to 350,701.60, 526,052.40 and 238,727.20

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Solution

The fourth proportional to 350,701.60, 526,052.40 and 238,727.20 is: 358,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,701.60 : 526,052.40 = 238,727.20 : x
  2. Step 2: Convert to fraction form
    350,701.60/526,052.40 = 238,727.20/x
  3. Step 3: Cross multiply
    350,701.60x = 526,052.40 × 238,727.20
  4. Step 4: Simplify right side
    350,701.60x = 125,583,016,505.28
  5. Step 5: Solve for x
    x = 125,583,016,505.28/350,701.60
  6. Step 6: Final answer
    x = 358,090.80

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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.