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Finding the Fourth Proportional to 277,615.90, 383,109.51 and 150,291.46

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Solution

The fourth proportional to 277,615.90, 383,109.51 and 150,291.46 is: 207,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,615.90 : 383,109.51 = 150,291.46 : x
  2. Step 2: Convert to fraction form
    277,615.90/383,109.51 = 150,291.46/x
  3. Step 3: Cross multiply
    277,615.90x = 383,109.51 × 150,291.46
  4. Step 4: Simplify right side
    277,615.90x = 57,578,087,597.78
  5. Step 5: Solve for x
    x = 57,578,087,597.78/277,615.90
  6. Step 6: Final answer
    x = 207,401.98

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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.