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Finding the Fourth Proportional to 297,313.40, 446,027.70 and 128,833.40

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Solution

The fourth proportional to 297,313.40, 446,027.70 and 128,833.40 is: 193,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,313.40 : 446,027.70 = 128,833.40 : x
  2. Step 2: Convert to fraction form
    297,313.40/446,027.70 = 128,833.40/x
  3. Step 3: Cross multiply
    297,313.40x = 446,027.70 × 128,833.40
  4. Step 4: Simplify right side
    297,313.40x = 57,463,265,085.18
  5. Step 5: Solve for x
    x = 57,463,265,085.18/297,313.40
  6. Step 6: Final answer
    x = 193,275.06

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1.5x scale

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.