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Finding the Fourth Proportional to 617,911.10, 926,866.65 and 302,983.10

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Solution

The fourth proportional to 617,911.10, 926,866.65 and 302,983.10 is: 454,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,911.10 : 926,866.65 = 302,983.10 : x
  2. Step 2: Convert to fraction form
    617,911.10/926,866.65 = 302,983.10/x
  3. Step 3: Cross multiply
    617,911.10x = 926,866.65 × 302,983.10
  4. Step 4: Simplify right side
    617,911.10x = 280,824,930,903.62
  5. Step 5: Solve for x
    x = 280,824,930,903.62/617,911.10
  6. Step 6: Final answer
    x = 454,474.65

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Double scale
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Similar ratio
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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.