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Finding the Fourth Proportional to 277,726.32, 383,269.32 and 170,355.56

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Solution

The fourth proportional to 277,726.32, 383,269.32 and 170,355.56 is: 235,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,726.32 : 383,269.32 = 170,355.56 : x
  2. Step 2: Convert to fraction form
    277,726.32/383,269.32 = 170,355.56/x
  3. Step 3: Cross multiply
    277,726.32x = 383,269.32 × 170,355.56
  4. Step 4: Simplify right side
    277,726.32x = 65,292,057,723.07
  5. Step 5: Solve for x
    x = 65,292,057,723.07/277,726.32
  6. Step 6: Final answer
    x = 235,094.96

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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.