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Finding the Fourth Proportional to 966,078.80, 1,448,680.80 and 366,840.80

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Solution

The fourth proportional to 966,078.80, 1,448,680.80 and 366,840.80 is: 550,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,078.80 : 1,448,680.80 = 366,840.80 : x
  2. Step 2: Convert to fraction form
    966,078.80/1,448,680.80 = 366,840.80/x
  3. Step 3: Cross multiply
    966,078.80x = 1,448,680.80 × 366,840.80
  4. Step 4: Simplify right side
    966,078.80x = 531,435,223,616.64
  5. Step 5: Solve for x
    x = 531,435,223,616.64/966,078.80
  6. Step 6: Final answer
    x = 550,095.11

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Double scale
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1.5x scale

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.