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Finding the Fourth Proportional to 594,336.68, 819,985.06 and 339,507.40

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Solution

The fourth proportional to 594,336.68, 819,985.06 and 339,507.40 is: 468,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,336.68 : 819,985.06 = 339,507.40 : x
  2. Step 2: Convert to fraction form
    594,336.68/819,985.06 = 339,507.40/x
  3. Step 3: Cross multiply
    594,336.68x = 819,985.06 × 339,507.40
  4. Step 4: Simplify right side
    594,336.68x = 278,390,995,759.44
  5. Step 5: Solve for x
    x = 278,390,995,759.44/594,336.68
  6. Step 6: Final answer
    x = 468,406.22

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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.