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Finding the Fourth Proportional to 304,166.40, 419,734.08 and 170,030.40

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Solution

The fourth proportional to 304,166.40, 419,734.08 and 170,030.40 is: 234,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,166.40 : 419,734.08 = 170,030.40 : x
  2. Step 2: Convert to fraction form
    304,166.40/419,734.08 = 170,030.40/x
  3. Step 3: Cross multiply
    304,166.40x = 419,734.08 × 170,030.40
  4. Step 4: Simplify right side
    304,166.40x = 71,367,553,516.03
  5. Step 5: Solve for x
    x = 71,367,553,516.03/304,166.40
  6. Step 6: Final answer
    x = 234,633.26

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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.