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Finding the Fourth Proportional to 333,056.80, 459,623.22 and 187,869.51

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Solution

The fourth proportional to 333,056.80, 459,623.22 and 187,869.51 is: 259,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,056.80 : 459,623.22 = 187,869.51 : x
  2. Step 2: Convert to fraction form
    333,056.80/459,623.22 = 187,869.51/x
  3. Step 3: Cross multiply
    333,056.80x = 459,623.22 × 187,869.51
  4. Step 4: Simplify right side
    333,056.80x = 86,349,189,126.02
  5. Step 5: Solve for x
    x = 86,349,189,126.02/333,056.80
  6. Step 6: Final answer
    x = 259,262.65

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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.