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Finding the Fourth Proportional to 523,202.32, 783,738.28 and 479,608.08

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Solution

The fourth proportional to 523,202.32, 783,738.28 and 479,608.08 is: 718,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,202.32 : 783,738.28 = 479,608.08 : x
  2. Step 2: Convert to fraction form
    523,202.32/783,738.28 = 479,608.08/x
  3. Step 3: Cross multiply
    523,202.32x = 783,738.28 × 479,608.08
  4. Step 4: Simplify right side
    523,202.32x = 375,887,211,693.30
  5. Step 5: Solve for x
    x = 375,887,211,693.30/523,202.32
  6. Step 6: Final answer
    x = 718,435.67

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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.