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Finding the Fourth Proportional to 362,663.61, 500,465.83 and 201,514.51

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Solution

The fourth proportional to 362,663.61, 500,465.83 and 201,514.51 is: 278,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,663.61 : 500,465.83 = 201,514.51 : x
  2. Step 2: Convert to fraction form
    362,663.61/500,465.83 = 201,514.51/x
  3. Step 3: Cross multiply
    362,663.61x = 500,465.83 × 201,514.51
  4. Step 4: Simplify right side
    362,663.61x = 100,851,126,504.19
  5. Step 5: Solve for x
    x = 100,851,126,504.19/362,663.61
  6. Step 6: Final answer
    x = 278,084.49

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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.