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Finding the Fourth Proportional to 259,514.78, 358,130.46 and 146,337.56

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Solution

The fourth proportional to 259,514.78, 358,130.46 and 146,337.56 is: 201,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,514.78 : 358,130.46 = 146,337.56 : x
  2. Step 2: Convert to fraction form
    259,514.78/358,130.46 = 146,337.56/x
  3. Step 3: Cross multiply
    259,514.78x = 358,130.46 × 146,337.56
  4. Step 4: Simplify right side
    259,514.78x = 52,407,937,678.08
  5. Step 5: Solve for x
    x = 52,407,937,678.08/259,514.78
  6. Step 6: Final answer
    x = 201,945.87

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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.