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Finding the Fourth Proportional to 353,139.10, 529,708.65 and 246,850.90

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Solution

The fourth proportional to 353,139.10, 529,708.65 and 246,850.90 is: 370,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,139.10 : 529,708.65 = 246,850.90 : x
  2. Step 2: Convert to fraction form
    353,139.10/529,708.65 = 246,850.90/x
  3. Step 3: Cross multiply
    353,139.10x = 529,708.65 × 246,850.90
  4. Step 4: Simplify right side
    353,139.10x = 130,759,056,990.29
  5. Step 5: Solve for x
    x = 130,759,056,990.29/353,139.10
  6. Step 6: Final answer
    x = 370,276.35

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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.