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Finding the Fourth Proportional to 594,610.48, 820,536.24 and 339,978.34

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Solution

The fourth proportional to 594,610.48, 820,536.24 and 339,978.34 is: 469,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,610.48 : 820,536.24 = 339,978.34 : x
  2. Step 2: Convert to fraction form
    594,610.48/820,536.24 = 339,978.34/x
  3. Step 3: Cross multiply
    594,610.48x = 820,536.24 × 339,978.34
  4. Step 4: Simplify right side
    594,610.48x = 278,964,548,785.04
  5. Step 5: Solve for x
    x = 278,964,548,785.04/594,610.48
  6. Step 6: Final answer
    x = 469,155.12

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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.