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Finding the Fourth Proportional to 348,164.76, 522,394.82 and 190,208.69

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Solution

The fourth proportional to 348,164.76, 522,394.82 and 190,208.69 is: 285,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,164.76 : 522,394.82 = 190,208.69 : x
  2. Step 2: Convert to fraction form
    348,164.76/522,394.82 = 190,208.69/x
  3. Step 3: Cross multiply
    348,164.76x = 522,394.82 × 190,208.69
  4. Step 4: Simplify right side
    348,164.76x = 99,364,033,484.23
  5. Step 5: Solve for x
    x = 99,364,033,484.23/348,164.76
  6. Step 6: Final answer
    x = 285,393.71

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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.