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Finding the Fourth Proportional to 367,323.40, 550,985.10 and 130,673.80

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Solution

The fourth proportional to 367,323.40, 550,985.10 and 130,673.80 is: 196,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,323.40 : 550,985.10 = 130,673.80 : x
  2. Step 2: Convert to fraction form
    367,323.40/550,985.10 = 130,673.80/x
  3. Step 3: Cross multiply
    367,323.40x = 550,985.10 × 130,673.80
  4. Step 4: Simplify right side
    367,323.40x = 71,999,316,760.38
  5. Step 5: Solve for x
    x = 71,999,316,760.38/367,323.40
  6. Step 6: Final answer
    x = 196,010.70

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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.