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Finding the Fourth Proportional to 252,399.34, 378,590.73 and 102,595.42

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Solution

The fourth proportional to 252,399.34, 378,590.73 and 102,595.42 is: 153,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,399.34 : 378,590.73 = 102,595.42 : x
  2. Step 2: Convert to fraction form
    252,399.34/378,590.73 = 102,595.42/x
  3. Step 3: Cross multiply
    252,399.34x = 378,590.73 × 102,595.42
  4. Step 4: Simplify right side
    252,399.34x = 38,841,674,952.46
  5. Step 5: Solve for x
    x = 38,841,674,952.46/252,399.34
  6. Step 6: Final answer
    x = 153,889.76

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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.