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Finding the Fourth Proportional to 340,687.44, 511,123.32 and 130,332.24

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Solution

The fourth proportional to 340,687.44, 511,123.32 and 130,332.24 is: 195,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,687.44 : 511,123.32 = 130,332.24 : x
  2. Step 2: Convert to fraction form
    340,687.44/511,123.32 = 130,332.24/x
  3. Step 3: Cross multiply
    340,687.44x = 511,123.32 × 130,332.24
  4. Step 4: Simplify right side
    340,687.44x = 66,615,847,211.84
  5. Step 5: Solve for x
    x = 66,615,847,211.84/340,687.44
  6. Step 6: Final answer
    x = 195,533.62

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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.