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Finding the Fourth Proportional to 549,297.80, 823,946.70 and 216,830.60

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Solution

The fourth proportional to 549,297.80, 823,946.70 and 216,830.60 is: 325,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,297.80 : 823,946.70 = 216,830.60 : x
  2. Step 2: Convert to fraction form
    549,297.80/823,946.70 = 216,830.60/x
  3. Step 3: Cross multiply
    549,297.80x = 823,946.70 × 216,830.60
  4. Step 4: Simplify right side
    549,297.80x = 178,656,857,329.02
  5. Step 5: Solve for x
    x = 178,656,857,329.02/549,297.80
  6. Step 6: Final answer
    x = 325,245.90

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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.