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Finding the Fourth Proportional to 886,804.80, 1,330,207.20 and 603,369.60

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Solution

The fourth proportional to 886,804.80, 1,330,207.20 and 603,369.60 is: 905,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,804.80 : 1,330,207.20 = 603,369.60 : x
  2. Step 2: Convert to fraction form
    886,804.80/1,330,207.20 = 603,369.60/x
  3. Step 3: Cross multiply
    886,804.80x = 1,330,207.20 × 603,369.60
  4. Step 4: Simplify right side
    886,804.80x = 802,606,586,181.12
  5. Step 5: Solve for x
    x = 802,606,586,181.12/886,804.80
  6. Step 6: Final answer
    x = 905,054.40

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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.