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Finding the Fourth Proportional to 604,081.76, 904,151.04 and 444,115.40

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Solution

The fourth proportional to 604,081.76, 904,151.04 and 444,115.40 is: 664,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,081.76 : 904,151.04 = 444,115.40 : x
  2. Step 2: Convert to fraction form
    604,081.76/904,151.04 = 444,115.40/x
  3. Step 3: Cross multiply
    604,081.76x = 904,151.04 × 444,115.40
  4. Step 4: Simplify right side
    604,081.76x = 401,547,400,790.02
  5. Step 5: Solve for x
    x = 401,547,400,790.02/604,081.76
  6. Step 6: Final answer
    x = 664,723.60

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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.