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Finding the Fourth Proportional to 297,530.79, 446,324.54 and 84,303.15

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Solution

The fourth proportional to 297,530.79, 446,324.54 and 84,303.15 is: 126,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,530.79 : 446,324.54 = 84,303.15 : x
  2. Step 2: Convert to fraction form
    297,530.79/446,324.54 = 84,303.15/x
  3. Step 3: Cross multiply
    297,530.79x = 446,324.54 × 84,303.15
  4. Step 4: Simplify right side
    297,530.79x = 37,626,564,222.79
  5. Step 5: Solve for x
    x = 37,626,564,222.79/297,530.79
  6. Step 6: Final answer
    x = 126,462.76

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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.