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Finding the Fourth Proportional to 316,932.84, 437,173.02 and 258,873.93

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Solution

The fourth proportional to 316,932.84, 437,173.02 and 258,873.93 is: 357,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,932.84 : 437,173.02 = 258,873.93 : x
  2. Step 2: Convert to fraction form
    316,932.84/437,173.02 = 258,873.93/x
  3. Step 3: Cross multiply
    316,932.84x = 437,173.02 × 258,873.93
  4. Step 4: Simplify right side
    316,932.84x = 113,172,697,777.37
  5. Step 5: Solve for x
    x = 113,172,697,777.37/316,932.84
  6. Step 6: Final answer
    x = 357,087.32

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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.