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Finding the Fourth Proportional to 277,571.10, 383,026.74 and 156,724.32

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Solution

The fourth proportional to 277,571.10, 383,026.74 and 156,724.32 is: 216,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,571.10 : 383,026.74 = 156,724.32 : x
  2. Step 2: Convert to fraction form
    277,571.10/383,026.74 = 156,724.32/x
  3. Step 3: Cross multiply
    277,571.10x = 383,026.74 × 156,724.32
  4. Step 4: Simplify right side
    277,571.10x = 60,029,605,368.32
  5. Step 5: Solve for x
    x = 60,029,605,368.32/277,571.10
  6. Step 6: Final answer
    x = 216,267.49

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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.