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Finding the Fourth Proportional to 277,797.87, 417,250.35 and 262,130.76

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Solution

The fourth proportional to 277,797.87, 417,250.35 and 262,130.76 is: 393,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,797.87 : 417,250.35 = 262,130.76 : x
  2. Step 2: Convert to fraction form
    277,797.87/417,250.35 = 262,130.76/x
  3. Step 3: Cross multiply
    277,797.87x = 417,250.35 × 262,130.76
  4. Step 4: Simplify right side
    277,797.87x = 109,374,151,355.77
  5. Step 5: Solve for x
    x = 109,374,151,355.77/277,797.87
  6. Step 6: Final answer
    x = 393,718.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.