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Finding the Fourth Proportional to 368,332.60, 552,693.30 and 168,683.80

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Solution

The fourth proportional to 368,332.60, 552,693.30 and 168,683.80 is: 253,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,332.60 : 552,693.30 = 168,683.80 : x
  2. Step 2: Convert to fraction form
    368,332.60/552,693.30 = 168,683.80/x
  3. Step 3: Cross multiply
    368,332.60x = 552,693.30 × 168,683.80
  4. Step 4: Simplify right side
    368,332.60x = 93,230,406,078.54
  5. Step 5: Solve for x
    x = 93,230,406,078.54/368,332.60
  6. Step 6: Final answer
    x = 253,114.73

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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.