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Finding the Fourth Proportional to 737,754.64, 1,018,103.70 and 427,717.65

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Solution

The fourth proportional to 737,754.64, 1,018,103.70 and 427,717.65 is: 590,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,754.64 : 1,018,103.70 = 427,717.65 : x
  2. Step 2: Convert to fraction form
    737,754.64/1,018,103.70 = 427,717.65/x
  3. Step 3: Cross multiply
    737,754.64x = 1,018,103.70 × 427,717.65
  4. Step 4: Simplify right side
    737,754.64x = 435,460,919,881.72
  5. Step 5: Solve for x
    x = 435,460,919,881.72/737,754.64
  6. Step 6: Final answer
    x = 590,251.69

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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.