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Finding the Fourth Proportional to 236,807.40, 355,211.10 and 170,711.40

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Solution

The fourth proportional to 236,807.40, 355,211.10 and 170,711.40 is: 256,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,807.40 : 355,211.10 = 170,711.40 : x
  2. Step 2: Convert to fraction form
    236,807.40/355,211.10 = 170,711.40/x
  3. Step 3: Cross multiply
    236,807.40x = 355,211.10 × 170,711.40
  4. Step 4: Simplify right side
    236,807.40x = 60,638,584,176.54
  5. Step 5: Solve for x
    x = 60,638,584,176.54/236,807.40
  6. Step 6: Final answer
    x = 256,067.10

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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.