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Finding the Fourth Proportional to 340,953.30, 470,496.60 and 190,050.30

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Solution

The fourth proportional to 340,953.30, 470,496.60 and 190,050.30 is: 262,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,953.30 : 470,496.60 = 190,050.30 : x
  2. Step 2: Convert to fraction form
    340,953.30/470,496.60 = 190,050.30/x
  3. Step 3: Cross multiply
    340,953.30x = 470,496.60 × 190,050.30
  4. Step 4: Simplify right side
    340,953.30x = 89,418,019,978.98
  5. Step 5: Solve for x
    x = 89,418,019,978.98/340,953.30
  6. Step 6: Final answer
    x = 262,258.85

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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.