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Finding the Fourth Proportional to 297,554.40, 410,626.80 and 170,235.36

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Solution

The fourth proportional to 297,554.40, 410,626.80 and 170,235.36 is: 234,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,554.40 : 410,626.80 = 170,235.36 : x
  2. Step 2: Convert to fraction form
    297,554.40/410,626.80 = 170,235.36/x
  3. Step 3: Cross multiply
    297,554.40x = 410,626.80 × 170,235.36
  4. Step 4: Simplify right side
    297,554.40x = 69,903,201,123.65
  5. Step 5: Solve for x
    x = 69,903,201,123.65/297,554.40
  6. Step 6: Final answer
    x = 234,925.79

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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.