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Finding the Fourth Proportional to 201,516.70, 302,275.05 and 170,412.70

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Solution

The fourth proportional to 201,516.70, 302,275.05 and 170,412.70 is: 255,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,516.70 : 302,275.05 = 170,412.70 : x
  2. Step 2: Convert to fraction form
    201,516.70/302,275.05 = 170,412.70/x
  3. Step 3: Cross multiply
    201,516.70x = 302,275.05 × 170,412.70
  4. Step 4: Simplify right side
    201,516.70x = 51,511,507,413.14
  5. Step 5: Solve for x
    x = 51,511,507,413.14/201,516.70
  6. Step 6: Final answer
    x = 255,619.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.