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Finding the Fourth Proportional to 277,775.37, 383,328.21 and 156,955.77

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Solution

The fourth proportional to 277,775.37, 383,328.21 and 156,955.77 is: 216,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,775.37 : 383,328.21 = 156,955.77 : x
  2. Step 2: Convert to fraction form
    277,775.37/383,328.21 = 156,955.77/x
  3. Step 3: Cross multiply
    277,775.37x = 383,328.21 × 156,955.77
  4. Step 4: Simplify right side
    277,775.37x = 60,165,574,363.27
  5. Step 5: Solve for x
    x = 60,165,574,363.27/277,775.37
  6. Step 6: Final answer
    x = 216,597.95

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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.