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Finding the Fourth Proportional to 303,274.86, 418,444.06 and 199,897.59

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Solution

The fourth proportional to 303,274.86, 418,444.06 and 199,897.59 is: 275,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,274.86 : 418,444.06 = 199,897.59 : x
  2. Step 2: Convert to fraction form
    303,274.86/418,444.06 = 199,897.59/x
  3. Step 3: Cross multiply
    303,274.86x = 418,444.06 × 199,897.59
  4. Step 4: Simplify right side
    303,274.86x = 83,645,959,143.82
  5. Step 5: Solve for x
    x = 83,645,959,143.82/303,274.86
  6. Step 6: Final answer
    x = 275,809.08

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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.