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Finding the Fourth Proportional to 318,333.63, 439,362.81 and 182,458.66

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Solution

The fourth proportional to 318,333.63, 439,362.81 and 182,458.66 is: 251,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,333.63 : 439,362.81 = 182,458.66 : x
  2. Step 2: Convert to fraction form
    318,333.63/439,362.81 = 182,458.66/x
  3. Step 3: Cross multiply
    318,333.63x = 439,362.81 × 182,458.66
  4. Step 4: Simplify right side
    318,333.63x = 80,165,549,566.43
  5. Step 5: Solve for x
    x = 80,165,549,566.43/318,333.63
  6. Step 6: Final answer
    x = 251,828.72

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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.