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Finding the Fourth Proportional to 296,600.40, 445,195.88 and 163,543.32

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Solution

The fourth proportional to 296,600.40, 445,195.88 and 163,543.32 is: 245,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,600.40 : 445,195.88 = 163,543.32 : x
  2. Step 2: Convert to fraction form
    296,600.40/445,195.88 = 163,543.32/x
  3. Step 3: Cross multiply
    296,600.40x = 445,195.88 × 163,543.32
  4. Step 4: Simplify right side
    296,600.40x = 72,808,812,061.09
  5. Step 5: Solve for x
    x = 72,808,812,061.09/296,600.40
  6. Step 6: Final answer
    x = 245,477.79

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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.