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Finding the Fourth Proportional to 243,047.60, 364,571.40 and 204,556.40

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Solution

The fourth proportional to 243,047.60, 364,571.40 and 204,556.40 is: 306,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,047.60 : 364,571.40 = 204,556.40 : x
  2. Step 2: Convert to fraction form
    243,047.60/364,571.40 = 204,556.40/x
  3. Step 3: Cross multiply
    243,047.60x = 364,571.40 × 204,556.40
  4. Step 4: Simplify right side
    243,047.60x = 74,575,413,126.96
  5. Step 5: Solve for x
    x = 74,575,413,126.96/243,047.60
  6. Step 6: Final answer
    x = 306,834.60

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1.5x scale

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.