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Finding the Fourth Proportional to 543,662.28, 750,263.22 and 298,657.36

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Solution

The fourth proportional to 543,662.28, 750,263.22 and 298,657.36 is: 412,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,662.28 : 750,263.22 = 298,657.36 : x
  2. Step 2: Convert to fraction form
    543,662.28/750,263.22 = 298,657.36/x
  3. Step 3: Cross multiply
    543,662.28x = 750,263.22 × 298,657.36
  4. Step 4: Simplify right side
    543,662.28x = 224,071,632,590.30
  5. Step 5: Solve for x
    x = 224,071,632,590.30/543,662.28
  6. Step 6: Final answer
    x = 412,152.25

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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.