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Finding the Fourth Proportional to 296,674.80, 445,055.40 and 96,946.80

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Solution

The fourth proportional to 296,674.80, 445,055.40 and 96,946.80 is: 145,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,674.80 : 445,055.40 = 96,946.80 : x
  2. Step 2: Convert to fraction form
    296,674.80/445,055.40 = 96,946.80/x
  3. Step 3: Cross multiply
    296,674.80x = 445,055.40 × 96,946.80
  4. Step 4: Simplify right side
    296,674.80x = 43,146,696,852.72
  5. Step 5: Solve for x
    x = 43,146,696,852.72/296,674.80
  6. Step 6: Final answer
    x = 145,434.32

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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.