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Finding the Fourth Proportional to 455,561.45, 683,344.73 and 151,954.77

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Solution

The fourth proportional to 455,561.45, 683,344.73 and 151,954.77 is: 227,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,561.45 : 683,344.73 = 151,954.77 : x
  2. Step 2: Convert to fraction form
    455,561.45/683,344.73 = 151,954.77/x
  3. Step 3: Cross multiply
    455,561.45x = 683,344.73 × 151,954.77
  4. Step 4: Simplify right side
    455,561.45x = 103,837,492,030.95
  5. Step 5: Solve for x
    x = 103,837,492,030.95/455,561.45
  6. Step 6: Final answer
    x = 227,933.01

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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.