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Finding the Fourth Proportional to 965,608.60, 1,448,585.70 and 404,699.80

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Solution

The fourth proportional to 965,608.60, 1,448,585.70 and 404,699.80 is: 607,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,608.60 : 1,448,585.70 = 404,699.80 : x
  2. Step 2: Convert to fraction form
    965,608.60/1,448,585.70 = 404,699.80/x
  3. Step 3: Cross multiply
    965,608.60x = 1,448,585.70 × 404,699.80
  4. Step 4: Simplify right side
    965,608.60x = 586,242,343,072.86
  5. Step 5: Solve for x
    x = 586,242,343,072.86/965,608.60
  6. Step 6: Final answer
    x = 607,122.12

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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.