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Finding the Fourth Proportional to 617,919.40, 925,842.30 and 301,695.40

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Solution

The fourth proportional to 617,919.40, 925,842.30 and 301,695.40 is: 452,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,919.40 : 925,842.30 = 301,695.40 : x
  2. Step 2: Convert to fraction form
    617,919.40/925,842.30 = 301,695.40/x
  3. Step 3: Cross multiply
    617,919.40x = 925,842.30 × 301,695.40
  4. Step 4: Simplify right side
    617,919.40x = 279,322,363,035.42
  5. Step 5: Solve for x
    x = 279,322,363,035.42/617,919.40
  6. Step 6: Final answer
    x = 452,036.89

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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.