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Finding the Fourth Proportional to 364,549.69, 503,066.76 and 198,971.33

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Solution

The fourth proportional to 364,549.69, 503,066.76 and 198,971.33 is: 274,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,549.69 : 503,066.76 = 198,971.33 : x
  2. Step 2: Convert to fraction form
    364,549.69/503,066.76 = 198,971.33/x
  3. Step 3: Cross multiply
    364,549.69x = 503,066.76 × 198,971.33
  4. Step 4: Simplify right side
    364,549.69x = 100,095,862,315.99
  5. Step 5: Solve for x
    x = 100,095,862,315.99/364,549.69
  6. Step 6: Final answer
    x = 274,573.99

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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.