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Finding the Fourth Proportional to 263,354.74, 363,476.85 and 148,668.34

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Solution

The fourth proportional to 263,354.74, 363,476.85 and 148,668.34 is: 205,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,354.74 : 363,476.85 = 148,668.34 : x
  2. Step 2: Convert to fraction form
    263,354.74/363,476.85 = 148,668.34/x
  3. Step 3: Cross multiply
    263,354.74x = 363,476.85 × 148,668.34
  4. Step 4: Simplify right side
    263,354.74x = 54,037,499,917.93
  5. Step 5: Solve for x
    x = 54,037,499,917.93/263,354.74
  6. Step 6: Final answer
    x = 205,189.02

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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.