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Finding the Fourth Proportional to 1,476,603.40, 2,211,794.70 and 1,476,603.40

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Solution

The fourth proportional to 1,476,603.40, 2,211,794.70 and 1,476,603.40 is: 2,211,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,603.40 : 2,211,794.70 = 1,476,603.40 : x
  2. Step 2: Convert to fraction form
    1,476,603.40/2,211,794.70 = 1,476,603.40/x
  3. Step 3: Cross multiply
    1,476,603.40x = 2,211,794.70 × 1,476,603.40
  4. Step 4: Simplify right side
    1,476,603.40x = 3,265,943,574,121.98
  5. Step 5: Solve for x
    x = 3,265,943,574,121.98/1,476,603.40
  6. Step 6: Final answer
    x = 2,211,794.70

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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.