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Finding the Fourth Proportional to 595,405.35, 821,655.90 and 323,471.07

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Solution

The fourth proportional to 595,405.35, 821,655.90 and 323,471.07 is: 446,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,405.35 : 821,655.90 = 323,471.07 : x
  2. Step 2: Convert to fraction form
    595,405.35/821,655.90 = 323,471.07/x
  3. Step 3: Cross multiply
    595,405.35x = 821,655.90 × 323,471.07
  4. Step 4: Simplify right side
    595,405.35x = 265,781,913,144.81
  5. Step 5: Solve for x
    x = 265,781,913,144.81/595,405.35
  6. Step 6: Final answer
    x = 446,388.18

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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.