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Finding the Fourth Proportional to 340,926.84, 470,485.26 and 190,007.64

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Solution

The fourth proportional to 340,926.84, 470,485.26 and 190,007.64 is: 262,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,926.84 : 470,485.26 = 190,007.64 : x
  2. Step 2: Convert to fraction form
    340,926.84/470,485.26 = 190,007.64/x
  3. Step 3: Cross multiply
    340,926.84x = 470,485.26 × 190,007.64
  4. Step 4: Simplify right side
    340,926.84x = 89,395,793,907.39
  5. Step 5: Solve for x
    x = 89,395,793,907.39/340,926.84
  6. Step 6: Final answer
    x = 262,214.01

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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.