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Finding the Fourth Proportional to 263,666.15, 363,866.75 and 148,949.63

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Solution

The fourth proportional to 263,666.15, 363,866.75 and 148,949.63 is: 205,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,666.15 : 363,866.75 = 148,949.63 : x
  2. Step 2: Convert to fraction form
    263,666.15/363,866.75 = 148,949.63/x
  3. Step 3: Cross multiply
    263,666.15x = 363,866.75 × 148,949.63
  4. Step 4: Simplify right side
    263,666.15x = 54,197,818,908.25
  5. Step 5: Solve for x
    x = 54,197,818,908.25/263,666.15
  6. Step 6: Final answer
    x = 205,554.71

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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.