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Finding the Fourth Proportional to 348,028.30, 522,042.45 and 190,564.30

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Solution

The fourth proportional to 348,028.30, 522,042.45 and 190,564.30 is: 285,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,028.30 : 522,042.45 = 190,564.30 : x
  2. Step 2: Convert to fraction form
    348,028.30/522,042.45 = 190,564.30/x
  3. Step 3: Cross multiply
    348,028.30x = 522,042.45 × 190,564.30
  4. Step 4: Simplify right side
    348,028.30x = 99,482,654,054.54
  5. Step 5: Solve for x
    x = 99,482,654,054.54/348,028.30
  6. Step 6: Final answer
    x = 285,846.45

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Similar ratio
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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.