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Finding the Fourth Proportional to 535,258.72, 803,023.08 and 377,794.72

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Solution

The fourth proportional to 535,258.72, 803,023.08 and 377,794.72 is: 566,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,258.72 : 803,023.08 = 377,794.72 : x
  2. Step 2: Convert to fraction form
    535,258.72/803,023.08 = 377,794.72/x
  3. Step 3: Cross multiply
    535,258.72x = 803,023.08 × 377,794.72
  4. Step 4: Simplify right side
    535,258.72x = 303,377,879,662.14
  5. Step 5: Solve for x
    x = 303,377,879,662.14/535,258.72
  6. Step 6: Final answer
    x = 566,787.37

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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.