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Finding the Fourth Proportional to 887,626.78, 1,330,885.42 and 375,028.42

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Solution

The fourth proportional to 887,626.78, 1,330,885.42 and 375,028.42 is: 562,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,626.78 : 1,330,885.42 = 375,028.42 : x
  2. Step 2: Convert to fraction form
    887,626.78/1,330,885.42 = 375,028.42/x
  3. Step 3: Cross multiply
    887,626.78x = 1,330,885.42 × 375,028.42
  4. Step 4: Simplify right side
    887,626.78x = 499,119,856,263.64
  5. Step 5: Solve for x
    x = 499,119,856,263.64/887,626.78
  6. Step 6: Final answer
    x = 562,308.24

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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.