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Finding the Fourth Proportional to 277,792.10, 383,416.00 and 157,003.45

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Solution

The fourth proportional to 277,792.10, 383,416.00 and 157,003.45 is: 216,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,792.10 : 383,416.00 = 157,003.45 : x
  2. Step 2: Convert to fraction form
    277,792.10/383,416.00 = 157,003.45/x
  3. Step 3: Cross multiply
    277,792.10x = 383,416.00 × 157,003.45
  4. Step 4: Simplify right side
    277,792.10x = 60,197,633,921.33
  5. Step 5: Solve for x
    x = 60,197,633,921.33/277,792.10
  6. Step 6: Final answer
    x = 216,700.31

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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.