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Finding the Fourth Proportional to 269,556.30, 404,334.45 and 243,312.30

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Solution

The fourth proportional to 269,556.30, 404,334.45 and 243,312.30 is: 364,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,556.30 : 404,334.45 = 243,312.30 : x
  2. Step 2: Convert to fraction form
    269,556.30/404,334.45 = 243,312.30/x
  3. Step 3: Cross multiply
    269,556.30x = 404,334.45 × 243,312.30
  4. Step 4: Simplify right side
    269,556.30x = 98,379,544,998.74
  5. Step 5: Solve for x
    x = 98,379,544,998.74/269,556.30
  6. Step 6: Final answer
    x = 364,968.45

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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.