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Finding the Fourth Proportional to 336,027.70, 504,041.55 and 125,638.30

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Solution

The fourth proportional to 336,027.70, 504,041.55 and 125,638.30 is: 188,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,027.70 : 504,041.55 = 125,638.30 : x
  2. Step 2: Convert to fraction form
    336,027.70/504,041.55 = 125,638.30/x
  3. Step 3: Cross multiply
    336,027.70x = 504,041.55 × 125,638.30
  4. Step 4: Simplify right side
    336,027.70x = 63,326,923,471.37
  5. Step 5: Solve for x
    x = 63,326,923,471.37/336,027.70
  6. Step 6: Final answer
    x = 188,457.45

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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.