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Finding the Fourth Proportional to 524,485.83, 786,894.93 and 187,519.35

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Solution

The fourth proportional to 524,485.83, 786,894.93 and 187,519.35 is: 281,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,485.83 : 786,894.93 = 187,519.35 : x
  2. Step 2: Convert to fraction form
    524,485.83/786,894.93 = 187,519.35/x
  3. Step 3: Cross multiply
    524,485.83x = 786,894.93 × 187,519.35
  4. Step 4: Simplify right side
    524,485.83x = 147,558,025,791.90
  5. Step 5: Solve for x
    x = 147,558,025,791.90/524,485.83
  6. Step 6: Final answer
    x = 281,338.44

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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.