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Finding the Fourth Proportional to 348,740.06, 522,622.88 and 188,470.47

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Solution

The fourth proportional to 348,740.06, 522,622.88 and 188,470.47 is: 282,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,740.06 : 522,622.88 = 188,470.47 : x
  2. Step 2: Convert to fraction form
    348,740.06/522,622.88 = 188,470.47/x
  3. Step 3: Cross multiply
    348,740.06x = 522,622.88 × 188,470.47
  4. Step 4: Simplify right side
    348,740.06x = 98,498,978,884.00
  5. Step 5: Solve for x
    x = 98,498,978,884.00/348,740.06
  6. Step 6: Final answer
    x = 282,442.40

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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.