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Finding the Fourth Proportional to 535,011.99, 802,622.90 and 198,055.23

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Solution

The fourth proportional to 535,011.99, 802,622.90 and 198,055.23 is: 297,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,011.99 : 802,622.90 = 198,055.23 : x
  2. Step 2: Convert to fraction form
    535,011.99/802,622.90 = 198,055.23/x
  3. Step 3: Cross multiply
    535,011.99x = 802,622.90 × 198,055.23
  4. Step 4: Simplify right side
    535,011.99x = 158,963,662,072.49
  5. Step 5: Solve for x
    x = 158,963,662,072.49/535,011.99
  6. Step 6: Final answer
    x = 297,121.68

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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.