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Finding the Fourth Proportional to 304,097.92, 419,647.74 and 168,128.36

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Solution

The fourth proportional to 304,097.92, 419,647.74 and 168,128.36 is: 232,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,097.92 : 419,647.74 = 168,128.36 : x
  2. Step 2: Convert to fraction form
    304,097.92/419,647.74 = 168,128.36/x
  3. Step 3: Cross multiply
    304,097.92x = 419,647.74 × 168,128.36
  4. Step 4: Simplify right side
    304,097.92x = 70,554,686,303.91
  5. Step 5: Solve for x
    x = 70,554,686,303.91/304,097.92
  6. Step 6: Final answer
    x = 232,013.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.