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Finding the Fourth Proportional to 338,783.96, 467,510.10 and 187,895.00

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Solution

The fourth proportional to 338,783.96, 467,510.10 and 187,895.00 is: 259,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,783.96 : 467,510.10 = 187,895.00 : x
  2. Step 2: Convert to fraction form
    338,783.96/467,510.10 = 187,895.00/x
  3. Step 3: Cross multiply
    338,783.96x = 467,510.10 × 187,895.00
  4. Step 4: Simplify right side
    338,783.96x = 87,842,807,901.95
  5. Step 5: Solve for x
    x = 87,842,807,901.95/338,783.96
  6. Step 6: Final answer
    x = 259,288.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.