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Finding the Fourth Proportional to 535,689.83, 739,260.94 and 293,994.89

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Solution

The fourth proportional to 535,689.83, 739,260.94 and 293,994.89 is: 405,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,689.83 : 739,260.94 = 293,994.89 : x
  2. Step 2: Convert to fraction form
    535,689.83/739,260.94 = 293,994.89/x
  3. Step 3: Cross multiply
    535,689.83x = 739,260.94 × 293,994.89
  4. Step 4: Simplify right side
    535,689.83x = 217,338,937,623.43
  5. Step 5: Solve for x
    x = 217,338,937,623.43/535,689.83
  6. Step 6: Final answer
    x = 405,717.87

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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.