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Finding the Fourth Proportional to 298,810.62, 448,303.38 and 96,402.83

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Solution

The fourth proportional to 298,810.62, 448,303.38 and 96,402.83 is: 144,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,810.62 : 448,303.38 = 96,402.83 : x
  2. Step 2: Convert to fraction form
    298,810.62/448,303.38 = 96,402.83/x
  3. Step 3: Cross multiply
    298,810.62x = 448,303.38 × 96,402.83
  4. Step 4: Simplify right side
    298,810.62x = 43,217,711,927.54
  5. Step 5: Solve for x
    x = 43,217,711,927.54/298,810.62
  6. Step 6: Final answer
    x = 144,632.45

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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.