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Finding the Fourth Proportional to 1,374,544, 1,897,700.16 and 898,445.44

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Solution

The fourth proportional to 1,374,544, 1,897,700.16 and 898,445.44 is: 1,240,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,544 : 1,897,700.16 = 898,445.44 : x
  2. Step 2: Convert to fraction form
    1,374,544/1,897,700.16 = 898,445.44/x
  3. Step 3: Cross multiply
    1,374,544x = 1,897,700.16 × 898,445.44
  4. Step 4: Simplify right side
    1,374,544x = 1,704,980,055,239.27
  5. Step 5: Solve for x
    x = 1,704,980,055,239.27/1,374,544
  6. Step 6: Final answer
    x = 1,240,396.86

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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.