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Finding the Fourth Proportional to 617,977.10, 926,965.65 and 617,977.10

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Solution

The fourth proportional to 617,977.10, 926,965.65 and 617,977.10 is: 926,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,977.10 : 926,965.65 = 617,977.10 : x
  2. Step 2: Convert to fraction form
    617,977.10/926,965.65 = 617,977.10/x
  3. Step 3: Cross multiply
    617,977.10x = 926,965.65 × 617,977.10
  4. Step 4: Simplify right side
    617,977.10x = 572,843,544,186.62
  5. Step 5: Solve for x
    x = 572,843,544,186.62/617,977.10
  6. Step 6: Final answer
    x = 926,965.65

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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.