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Finding the Fourth Proportional to 574,704.40, 792,873.96 and 348,267.28

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Solution

The fourth proportional to 574,704.40, 792,873.96 and 348,267.28 is: 480,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,704.40 : 792,873.96 = 348,267.28 : x
  2. Step 2: Convert to fraction form
    574,704.40/792,873.96 = 348,267.28/x
  3. Step 3: Cross multiply
    574,704.40x = 792,873.96 × 348,267.28
  4. Step 4: Simplify right side
    574,704.40x = 276,132,057,432.03
  5. Step 5: Solve for x
    x = 276,132,057,432.03/574,704.40
  6. Step 6: Final answer
    x = 480,476.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.