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Finding the Fourth Proportional to 304,200.48, 419,810.40 and 170,064.48

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Solution

The fourth proportional to 304,200.48, 419,810.40 and 170,064.48 is: 234,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,200.48 : 419,810.40 = 170,064.48 : x
  2. Step 2: Convert to fraction form
    304,200.48/419,810.40 = 170,064.48/x
  3. Step 3: Cross multiply
    304,200.48x = 419,810.40 × 170,064.48
  4. Step 4: Simplify right side
    304,200.48x = 71,394,837,374.59
  5. Step 5: Solve for x
    x = 71,394,837,374.59/304,200.48
  6. Step 6: Final answer
    x = 234,696.66

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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.