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Finding the Fourth Proportional to 277,710.72, 383,240.70 and 150,386.28

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Solution

The fourth proportional to 277,710.72, 383,240.70 and 150,386.28 is: 207,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,710.72 : 383,240.70 = 150,386.28 : x
  2. Step 2: Convert to fraction form
    277,710.72/383,240.70 = 150,386.28/x
  3. Step 3: Cross multiply
    277,710.72x = 383,240.70 × 150,386.28
  4. Step 4: Simplify right side
    277,710.72x = 57,634,143,217.60
  5. Step 5: Solve for x
    x = 57,634,143,217.60/277,710.72
  6. Step 6: Final answer
    x = 207,533.02

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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.