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Finding the Fourth Proportional to 328,527.84, 492,852.58 and 103,944.81

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Solution

The fourth proportional to 328,527.84, 492,852.58 and 103,944.81 is: 155,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,527.84 : 492,852.58 = 103,944.81 : x
  2. Step 2: Convert to fraction form
    328,527.84/492,852.58 = 103,944.81/x
  3. Step 3: Cross multiply
    328,527.84x = 492,852.58 × 103,944.81
  4. Step 4: Simplify right side
    328,527.84x = 51,229,467,786.11
  5. Step 5: Solve for x
    x = 51,229,467,786.11/328,527.84
  6. Step 6: Final answer
    x = 155,936.46

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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.