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Finding the Fourth Proportional to 318,333.19, 439,362.21 and 182,458.21

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Solution

The fourth proportional to 318,333.19, 439,362.21 and 182,458.21 is: 251,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,333.19 : 439,362.21 = 182,458.21 : x
  2. Step 2: Convert to fraction form
    318,333.19/439,362.21 = 182,458.21/x
  3. Step 3: Cross multiply
    318,333.19x = 439,362.21 × 182,458.21
  4. Step 4: Simplify right side
    318,333.19x = 80,165,242,378.24
  5. Step 5: Solve for x
    x = 80,165,242,378.24/318,333.19
  6. Step 6: Final answer
    x = 251,828.10

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1.5x scale

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.