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Finding the Fourth Proportional to 303,274.36, 418,443.37 and 199,897.10

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Solution

The fourth proportional to 303,274.36, 418,443.37 and 199,897.10 is: 275,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,274.36 : 418,443.37 = 199,897.10 : x
  2. Step 2: Convert to fraction form
    303,274.36/418,443.37 = 199,897.10/x
  3. Step 3: Cross multiply
    303,274.36x = 418,443.37 × 199,897.10
  4. Step 4: Simplify right side
    303,274.36x = 83,645,614,085.01
  5. Step 5: Solve for x
    x = 83,645,614,085.01/303,274.36
  6. Step 6: Final answer
    x = 275,808.40

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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.