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Finding the Fourth Proportional to 452,743.60, 680,427.60 and 395,006.80

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Solution

The fourth proportional to 452,743.60, 680,427.60 and 395,006.80 is: 593,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,743.60 : 680,427.60 = 395,006.80 : x
  2. Step 2: Convert to fraction form
    452,743.60/680,427.60 = 395,006.80/x
  3. Step 3: Cross multiply
    452,743.60x = 680,427.60 × 395,006.80
  4. Step 4: Simplify right side
    452,743.60x = 268,773,528,907.68
  5. Step 5: Solve for x
    x = 268,773,528,907.68/452,743.60
  6. Step 6: Final answer
    x = 593,655.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.