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Finding the Fourth Proportional to 296,608.84, 445,208.54 and 163,551.76

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Solution

The fourth proportional to 296,608.84, 445,208.54 and 163,551.76 is: 245,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,608.84 : 445,208.54 = 163,551.76 : x
  2. Step 2: Convert to fraction form
    296,608.84/445,208.54 = 163,551.76/x
  3. Step 3: Cross multiply
    296,608.84x = 445,208.54 × 163,551.76
  4. Step 4: Simplify right side
    296,608.84x = 72,814,638,353.25
  5. Step 5: Solve for x
    x = 72,814,638,353.25/296,608.84
  6. Step 6: Final answer
    x = 245,490.45

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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.