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Finding the Fourth Proportional to 404,546.40, 606,819.60 and 105,024.60

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Solution

The fourth proportional to 404,546.40, 606,819.60 and 105,024.60 is: 157,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,546.40 : 606,819.60 = 105,024.60 : x
  2. Step 2: Convert to fraction form
    404,546.40/606,819.60 = 105,024.60/x
  3. Step 3: Cross multiply
    404,546.40x = 606,819.60 × 105,024.60
  4. Step 4: Simplify right side
    404,546.40x = 63,730,985,762.16
  5. Step 5: Solve for x
    x = 63,730,985,762.16/404,546.40
  6. Step 6: Final answer
    x = 157,536.90

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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.