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Finding the Fourth Proportional to 595,308.68, 821,540.78 and 323,376.49

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Solution

The fourth proportional to 595,308.68, 821,540.78 and 323,376.49 is: 446,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,308.68 : 821,540.78 = 323,376.49 : x
  2. Step 2: Convert to fraction form
    595,308.68/821,540.78 = 323,376.49/x
  3. Step 3: Cross multiply
    595,308.68x = 821,540.78 × 323,376.49
  4. Step 4: Simplify right side
    595,308.68x = 265,666,973,828.26
  5. Step 5: Solve for x
    x = 265,666,973,828.26/595,308.68
  6. Step 6: Final answer
    x = 446,267.60

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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.