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Finding the Fourth Proportional to 298,807.47, 448,210.28 and 93,657.75

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Solution

The fourth proportional to 298,807.47, 448,210.28 and 93,657.75 is: 140,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,807.47 : 448,210.28 = 93,657.75 : x
  2. Step 2: Convert to fraction form
    298,807.47/448,210.28 = 93,657.75/x
  3. Step 3: Cross multiply
    298,807.47x = 448,210.28 × 93,657.75
  4. Step 4: Simplify right side
    298,807.47x = 41,978,365,883.38
  5. Step 5: Solve for x
    x = 41,978,365,883.38/298,807.47
  6. Step 6: Final answer
    x = 140,486.33

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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.