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Finding the Fourth Proportional to 404,638.30, 606,957.45 and 404,638.30

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Solution

The fourth proportional to 404,638.30, 606,957.45 and 404,638.30 is: 606,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,638.30 : 606,957.45 = 404,638.30 : x
  2. Step 2: Convert to fraction form
    404,638.30/606,957.45 = 404,638.30/x
  3. Step 3: Cross multiply
    404,638.30x = 606,957.45 × 404,638.30
  4. Step 4: Simplify right side
    404,638.30x = 245,598,230,740.34
  5. Step 5: Solve for x
    x = 245,598,230,740.34/404,638.30
  6. Step 6: Final answer
    x = 606,957.45

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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.