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Finding the Fourth Proportional to 303,337.71, 418,577.63 and 293,146.29

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Solution

The fourth proportional to 303,337.71, 418,577.63 and 293,146.29 is: 404,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,337.71 : 418,577.63 = 293,146.29 : x
  2. Step 2: Convert to fraction form
    303,337.71/418,577.63 = 293,146.29/x
  3. Step 3: Cross multiply
    303,337.71x = 418,577.63 × 293,146.29
  4. Step 4: Simplify right side
    303,337.71x = 122,704,477,845.76
  5. Step 5: Solve for x
    x = 122,704,477,845.76/303,337.71
  6. Step 6: Final answer
    x = 404,514.42

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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.