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Finding the Fourth Proportional to 277,603.86, 383,094.54 and 150,279.45

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Solution

The fourth proportional to 277,603.86, 383,094.54 and 150,279.45 is: 207,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,603.86 : 383,094.54 = 150,279.45 : x
  2. Step 2: Convert to fraction form
    277,603.86/383,094.54 = 150,279.45/x
  3. Step 3: Cross multiply
    277,603.86x = 383,094.54 × 150,279.45
  4. Step 4: Simplify right side
    277,603.86x = 57,571,236,769.20
  5. Step 5: Solve for x
    x = 57,571,236,769.20/277,603.86
  6. Step 6: Final answer
    x = 207,386.30

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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.