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Finding the Fourth Proportional to 897,703.40, 1,346,555.10 and 889,830.20

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Solution

The fourth proportional to 897,703.40, 1,346,555.10 and 889,830.20 is: 1,334,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,703.40 : 1,346,555.10 = 889,830.20 : x
  2. Step 2: Convert to fraction form
    897,703.40/1,346,555.10 = 889,830.20/x
  3. Step 3: Cross multiply
    897,703.40x = 1,346,555.10 × 889,830.20
  4. Step 4: Simplify right side
    897,703.40x = 1,198,205,393,944.02
  5. Step 5: Solve for x
    x = 1,198,205,393,944.02/897,703.40
  6. Step 6: Final answer
    x = 1,334,745.30

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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.