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Finding the Fourth Proportional to 317,883.44, 438,686.88 and 174,652.76

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Solution

The fourth proportional to 317,883.44, 438,686.88 and 174,652.76 is: 241,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,883.44 : 438,686.88 = 174,652.76 : x
  2. Step 2: Convert to fraction form
    317,883.44/438,686.88 = 174,652.76/x
  3. Step 3: Cross multiply
    317,883.44x = 438,686.88 × 174,652.76
  4. Step 4: Simplify right side
    317,883.44x = 76,617,874,367.79
  5. Step 5: Solve for x
    x = 76,617,874,367.79/317,883.44
  6. Step 6: Final answer
    x = 241,025.06

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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.