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Finding the Fourth Proportional to 336,005.70, 504,008.55 and 125,616.30

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Solution

The fourth proportional to 336,005.70, 504,008.55 and 125,616.30 is: 188,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,005.70 : 504,008.55 = 125,616.30 : x
  2. Step 2: Convert to fraction form
    336,005.70/504,008.55 = 125,616.30/x
  3. Step 3: Cross multiply
    336,005.70x = 504,008.55 × 125,616.30
  4. Step 4: Simplify right side
    336,005.70x = 63,311,689,219.37
  5. Step 5: Solve for x
    x = 63,311,689,219.37/336,005.70
  6. Step 6: Final answer
    x = 188,424.45

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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.