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Finding the Fourth Proportional to 524,235.35, 786,518.06 and 187,268.51

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Solution

The fourth proportional to 524,235.35, 786,518.06 and 187,268.51 is: 280,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,235.35 : 786,518.06 = 187,268.51 : x
  2. Step 2: Convert to fraction form
    524,235.35/786,518.06 = 187,268.51/x
  3. Step 3: Cross multiply
    524,235.35x = 786,518.06 × 187,268.51
  4. Step 4: Simplify right side
    524,235.35x = 147,290,060,315.36
  5. Step 5: Solve for x
    x = 147,290,060,315.36/524,235.35
  6. Step 6: Final answer
    x = 280,961.71

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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.