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Finding the Fourth Proportional to 1,617,065.60, 2,267,209.60 and 1,617,065.60

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Solution

The fourth proportional to 1,617,065.60, 2,267,209.60 and 1,617,065.60 is: 2,267,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,065.60 : 2,267,209.60 = 1,617,065.60 : x
  2. Step 2: Convert to fraction form
    1,617,065.60/2,267,209.60 = 1,617,065.60/x
  3. Step 3: Cross multiply
    1,617,065.60x = 2,267,209.60 × 1,617,065.60
  4. Step 4: Simplify right side
    1,617,065.60x = 3,666,226,652,149.76
  5. Step 5: Solve for x
    x = 3,666,226,652,149.76/1,617,065.60
  6. Step 6: Final answer
    x = 2,267,209.60

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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.