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Finding the Fourth Proportional to 277,825.70, 383,462.16 and 157,036.88

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Solution

The fourth proportional to 277,825.70, 383,462.16 and 157,036.88 is: 216,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,825.70 : 383,462.16 = 157,036.88 : x
  2. Step 2: Convert to fraction form
    277,825.70/383,462.16 = 157,036.88/x
  3. Step 3: Cross multiply
    277,825.70x = 383,462.16 × 157,036.88
  4. Step 4: Simplify right side
    277,825.70x = 60,217,701,204.46
  5. Step 5: Solve for x
    x = 60,217,701,204.46/277,825.70
  6. Step 6: Final answer
    x = 216,746.33

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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.