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Finding the Fourth Proportional to 460,481.70, 630,862.22 and 443,223.50

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Solution

The fourth proportional to 460,481.70, 630,862.22 and 443,223.50 is: 607,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,481.70 : 630,862.22 = 443,223.50 : x
  2. Step 2: Convert to fraction form
    460,481.70/630,862.22 = 443,223.50/x
  3. Step 3: Cross multiply
    460,481.70x = 630,862.22 × 443,223.50
  4. Step 4: Simplify right side
    460,481.70x = 279,612,961,166.17
  5. Step 5: Solve for x
    x = 279,612,961,166.17/460,481.70
  6. Step 6: Final answer
    x = 607,218.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.