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Finding the Fourth Proportional to 510,544.05, 704,539.11 and 319,662.69

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Solution

The fourth proportional to 510,544.05, 704,539.11 and 319,662.69 is: 441,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,544.05 : 704,539.11 = 319,662.69 : x
  2. Step 2: Convert to fraction form
    510,544.05/704,539.11 = 319,662.69/x
  3. Step 3: Cross multiply
    510,544.05x = 704,539.11 × 319,662.69
  4. Step 4: Simplify right side
    510,544.05x = 225,214,867,112.81
  5. Step 5: Solve for x
    x = 225,214,867,112.81/510,544.05
  6. Step 6: Final answer
    x = 441,127.20

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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.