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Finding the Fourth Proportional to 594,243.60, 819,980.64 and 339,611.28

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Solution

The fourth proportional to 594,243.60, 819,980.64 and 339,611.28 is: 468,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,243.60 : 819,980.64 = 339,611.28 : x
  2. Step 2: Convert to fraction form
    594,243.60/819,980.64 = 339,611.28/x
  3. Step 3: Cross multiply
    594,243.60x = 819,980.64 × 339,611.28
  4. Step 4: Simplify right side
    594,243.60x = 278,474,674,725.62
  5. Step 5: Solve for x
    x = 278,474,674,725.62/594,243.60
  6. Step 6: Final answer
    x = 468,620.40

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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.