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Finding the Fourth Proportional to 277,585.20, 416,572.20 and 177,987.60

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Solution

The fourth proportional to 277,585.20, 416,572.20 and 177,987.60 is: 267,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,585.20 : 416,572.20 = 177,987.60 : x
  2. Step 2: Convert to fraction form
    277,585.20/416,572.20 = 177,987.60/x
  3. Step 3: Cross multiply
    277,585.20x = 416,572.20 × 177,987.60
  4. Step 4: Simplify right side
    277,585.20x = 74,144,686,104.72
  5. Step 5: Solve for x
    x = 74,144,686,104.72/277,585.20
  6. Step 6: Final answer
    x = 267,106.05

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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.