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Finding the Fourth Proportional to 277,868.79, 383,459.31 and 150,544.40

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Solution

The fourth proportional to 277,868.79, 383,459.31 and 150,544.40 is: 207,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,868.79 : 383,459.31 = 150,544.40 : x
  2. Step 2: Convert to fraction form
    277,868.79/383,459.31 = 150,544.40/x
  3. Step 3: Cross multiply
    277,868.79x = 383,459.31 × 150,544.40
  4. Step 4: Simplify right side
    277,868.79x = 57,727,649,831.07
  5. Step 5: Solve for x
    x = 57,727,649,831.07/277,868.79
  6. Step 6: Final answer
    x = 207,751.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.