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Finding the Fourth Proportional to 259,507.53, 358,120.46 and 146,330.31

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Solution

The fourth proportional to 259,507.53, 358,120.46 and 146,330.31 is: 201,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,507.53 : 358,120.46 = 146,330.31 : x
  2. Step 2: Convert to fraction form
    259,507.53/358,120.46 = 146,330.31/x
  3. Step 3: Cross multiply
    259,507.53x = 358,120.46 × 146,330.31
  4. Step 4: Simplify right side
    259,507.53x = 52,403,877,197.49
  5. Step 5: Solve for x
    x = 52,403,877,197.49/259,507.53
  6. Step 6: Final answer
    x = 201,935.86

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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.