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Finding the Fourth Proportional to 304,130.36, 419,681.86 and 168,153.63

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Solution

The fourth proportional to 304,130.36, 419,681.86 and 168,153.63 is: 232,042.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,130.36 : 419,681.86 = 168,153.63 : x
  2. Step 2: Convert to fraction form
    304,130.36/419,681.86 = 168,153.63/x
  3. Step 3: Cross multiply
    304,130.36x = 419,681.86 × 168,153.63
  4. Step 4: Simplify right side
    304,130.36x = 70,571,029,516.54
  5. Step 5: Solve for x
    x = 70,571,029,516.54/304,130.36
  6. Step 6: Final answer
    x = 232,042.04

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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.