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Finding the Fourth Proportional to 277,902.36, 383,500.17 and 157,041.05

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Solution

The fourth proportional to 277,902.36, 383,500.17 and 157,041.05 is: 216,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,902.36 : 383,500.17 = 157,041.05 : x
  2. Step 2: Convert to fraction form
    277,902.36/383,500.17 = 157,041.05/x
  3. Step 3: Cross multiply
    277,902.36x = 383,500.17 × 157,041.05
  4. Step 4: Simplify right side
    277,902.36x = 60,225,267,454.48
  5. Step 5: Solve for x
    x = 60,225,267,454.48/277,902.36
  6. Step 6: Final answer
    x = 216,713.77

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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.