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Finding the Fourth Proportional to 317,090.76, 437,573.56 and 173,847.64

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Solution

The fourth proportional to 317,090.76, 437,573.56 and 173,847.64 is: 239,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,090.76 : 437,573.56 = 173,847.64 : x
  2. Step 2: Convert to fraction form
    317,090.76/437,573.56 = 173,847.64/x
  3. Step 3: Cross multiply
    317,090.76x = 437,573.56 × 173,847.64
  4. Step 4: Simplify right side
    317,090.76x = 76,071,130,732.40
  5. Step 5: Solve for x
    x = 76,071,130,732.40/317,090.76
  6. Step 6: Final answer
    x = 239,903.33

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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.