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Finding the Fourth Proportional to 364,605.96, 546,121.60 and 355,683

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Solution

The fourth proportional to 364,605.96, 546,121.60 and 355,683 is: 532,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,605.96 : 546,121.60 = 355,683 : x
  2. Step 2: Convert to fraction form
    364,605.96/546,121.60 = 355,683/x
  3. Step 3: Cross multiply
    364,605.96x = 546,121.60 × 355,683
  4. Step 4: Simplify right side
    364,605.96x = 194,246,169,052.80
  5. Step 5: Solve for x
    x = 194,246,169,052.80/364,605.96
  6. Step 6: Final answer
    x = 532,756.43

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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.