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Finding the Fourth Proportional to 301,781.58, 454,477.78 and 274,877.84

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Solution

The fourth proportional to 301,781.58, 454,477.78 and 274,877.84 is: 413,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,781.58 : 454,477.78 = 274,877.84 : x
  2. Step 2: Convert to fraction form
    301,781.58/454,477.78 = 274,877.84/x
  3. Step 3: Cross multiply
    301,781.58x = 454,477.78 × 274,877.84
  4. Step 4: Simplify right side
    301,781.58x = 124,925,870,494.40
  5. Step 5: Solve for x
    x = 124,925,870,494.40/301,781.58
  6. Step 6: Final answer
    x = 413,961.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.