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Finding the Fourth Proportional to 1,946,607.78, 2,919,918.54 and 598,761.30

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Solution

The fourth proportional to 1,946,607.78, 2,919,918.54 and 598,761.30 is: 898,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,607.78 : 2,919,918.54 = 598,761.30 : x
  2. Step 2: Convert to fraction form
    1,946,607.78/2,919,918.54 = 598,761.30/x
  3. Step 3: Cross multiply
    1,946,607.78x = 2,919,918.54 × 598,761.30
  4. Step 4: Simplify right side
    1,946,607.78x = 1,748,334,220,904.50
  5. Step 5: Solve for x
    x = 1,748,334,220,904.50/1,946,607.78
  6. Step 6: Final answer
    x = 898,144.06

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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.