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Finding the Fourth Proportional to 404,048.98, 606,069.46 and 154,730.98

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Solution

The fourth proportional to 404,048.98, 606,069.46 and 154,730.98 is: 232,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,048.98 : 606,069.46 = 154,730.98 : x
  2. Step 2: Convert to fraction form
    404,048.98/606,069.46 = 154,730.98/x
  3. Step 3: Cross multiply
    404,048.98x = 606,069.46 × 154,730.98
  4. Step 4: Simplify right side
    404,048.98x = 93,777,721,493.87
  5. Step 5: Solve for x
    x = 93,777,721,493.87/404,048.98
  6. Step 6: Final answer
    x = 232,094.93

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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.