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Finding the Fourth Proportional to 654,571.84, 982,141.98 and 355,263.88

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Solution

The fourth proportional to 654,571.84, 982,141.98 and 355,263.88 is: 533,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,571.84 : 982,141.98 = 355,263.88 : x
  2. Step 2: Convert to fraction form
    654,571.84/982,141.98 = 355,263.88/x
  3. Step 3: Cross multiply
    654,571.84x = 982,141.98 × 355,263.88
  4. Step 4: Simplify right side
    654,571.84x = 348,919,570,525.68
  5. Step 5: Solve for x
    x = 348,919,570,525.68/654,571.84
  6. Step 6: Final answer
    x = 533,050.08

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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.