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Finding the Fourth Proportional to 1,234,587.30, 1,729,603.20 and 1,234,587.30

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Solution

The fourth proportional to 1,234,587.30, 1,729,603.20 and 1,234,587.30 is: 1,729,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,587.30 : 1,729,603.20 = 1,234,587.30 : x
  2. Step 2: Convert to fraction form
    1,234,587.30/1,729,603.20 = 1,234,587.30/x
  3. Step 3: Cross multiply
    1,234,587.30x = 1,729,603.20 × 1,234,587.30
  4. Step 4: Simplify right side
    1,234,587.30x = 2,135,346,144,759.36
  5. Step 5: Solve for x
    x = 2,135,346,144,759.36/1,234,587.30
  6. Step 6: Final answer
    x = 1,729,603.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.