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Finding the Fourth Proportional to 352,880.83, 529,265.66 and 293,291.91

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Solution

The fourth proportional to 352,880.83, 529,265.66 and 293,291.91 is: 439,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,880.83 : 529,265.66 = 293,291.91 : x
  2. Step 2: Convert to fraction form
    352,880.83/529,265.66 = 293,291.91/x
  3. Step 3: Cross multiply
    352,880.83x = 529,265.66 × 293,291.91
  4. Step 4: Simplify right side
    352,880.83x = 155,229,336,318.81
  5. Step 5: Solve for x
    x = 155,229,336,318.81/352,880.83
  6. Step 6: Final answer
    x = 439,891.67

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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.