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Finding the Fourth Proportional to 723,794.88, 999,354.60 and 482,646

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Solution

The fourth proportional to 723,794.88, 999,354.60 and 482,646 is: 666,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,794.88 : 999,354.60 = 482,646 : x
  2. Step 2: Convert to fraction form
    723,794.88/999,354.60 = 482,646/x
  3. Step 3: Cross multiply
    723,794.88x = 999,354.60 × 482,646
  4. Step 4: Simplify right side
    723,794.88x = 482,334,500,271.60
  5. Step 5: Solve for x
    x = 482,334,500,271.60/723,794.88
  6. Step 6: Final answer
    x = 666,396.67

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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.