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Finding the Fourth Proportional to 366,924.10, 550,386.15 and 278,350.60

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Solution

The fourth proportional to 366,924.10, 550,386.15 and 278,350.60 is: 417,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,924.10 : 550,386.15 = 278,350.60 : x
  2. Step 2: Convert to fraction form
    366,924.10/550,386.15 = 278,350.60/x
  3. Step 3: Cross multiply
    366,924.10x = 550,386.15 × 278,350.60
  4. Step 4: Simplify right side
    366,924.10x = 153,200,315,084.19
  5. Step 5: Solve for x
    x = 153,200,315,084.19/366,924.10
  6. Step 6: Final answer
    x = 417,525.90

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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.