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Finding the Fourth Proportional to 1,946,601.78, 2,919,909.54 and 598,755.30

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Solution

The fourth proportional to 1,946,601.78, 2,919,909.54 and 598,755.30 is: 898,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,601.78 : 2,919,909.54 = 598,755.30 : x
  2. Step 2: Convert to fraction form
    1,946,601.78/2,919,909.54 = 598,755.30/x
  3. Step 3: Cross multiply
    1,946,601.78x = 2,919,909.54 × 598,755.30
  4. Step 4: Simplify right side
    1,946,601.78x = 1,748,311,312,595.56
  5. Step 5: Solve for x
    x = 1,748,311,312,595.56/1,946,601.78
  6. Step 6: Final answer
    x = 898,135.06

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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.