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Finding the Fourth Proportional to 617,066.20, 925,599.30 and 368,234.20

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Solution

The fourth proportional to 617,066.20, 925,599.30 and 368,234.20 is: 552,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,066.20 : 925,599.30 = 368,234.20 : x
  2. Step 2: Convert to fraction form
    617,066.20/925,599.30 = 368,234.20/x
  3. Step 3: Cross multiply
    617,066.20x = 925,599.30 × 368,234.20
  4. Step 4: Simplify right side
    617,066.20x = 340,837,317,756.06
  5. Step 5: Solve for x
    x = 340,837,317,756.06/617,066.20
  6. Step 6: Final answer
    x = 552,351.30

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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.