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Finding the Fourth Proportional to 1,865,596.70, 2,793,729.45 and 1,492,348.70

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Solution

The fourth proportional to 1,865,596.70, 2,793,729.45 and 1,492,348.70 is: 2,234,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,596.70 : 2,793,729.45 = 1,492,348.70 : x
  2. Step 2: Convert to fraction form
    1,865,596.70/2,793,729.45 = 1,492,348.70/x
  3. Step 3: Cross multiply
    1,865,596.70x = 2,793,729.45 × 1,492,348.70
  4. Step 4: Simplify right side
    1,865,596.70x = 4,169,218,512,859.22
  5. Step 5: Solve for x
    x = 4,169,218,512,859.22/1,865,596.70
  6. Step 6: Final answer
    x = 2,234,790.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.