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Finding the Fourth Proportional to 333,321.24, 499,985.10 and 84,003.24

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Solution

The fourth proportional to 333,321.24, 499,985.10 and 84,003.24 is: 126,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,321.24 : 499,985.10 = 84,003.24 : x
  2. Step 2: Convert to fraction form
    333,321.24/499,985.10 = 84,003.24/x
  3. Step 3: Cross multiply
    333,321.24x = 499,985.10 × 84,003.24
  4. Step 4: Simplify right side
    333,321.24x = 42,000,368,351.72
  5. Step 5: Solve for x
    x = 42,000,368,351.72/333,321.24
  6. Step 6: Final answer
    x = 126,005.68

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1.5x scale

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.