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Finding the Fourth Proportional to 617,491.50, 926,107.64 and 174,155.82

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Solution

The fourth proportional to 617,491.50, 926,107.64 and 174,155.82 is: 261,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,491.50 : 926,107.64 = 174,155.82 : x
  2. Step 2: Convert to fraction form
    617,491.50/926,107.64 = 174,155.82/x
  3. Step 3: Cross multiply
    617,491.50x = 926,107.64 × 174,155.82
  4. Step 4: Simplify right side
    617,491.50x = 161,287,034,581.69
  5. Step 5: Solve for x
    x = 161,287,034,581.69/617,491.50
  6. Step 6: Final answer
    x = 261,197.17

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1.5x scale

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.