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Finding the Fourth Proportional to 367,458.55, 551,266.61 and 127,580.04

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Solution

The fourth proportional to 367,458.55, 551,266.61 and 127,580.04 is: 191,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,458.55 : 551,266.61 = 127,580.04 : x
  2. Step 2: Convert to fraction form
    367,458.55/551,266.61 = 127,580.04/x
  3. Step 3: Cross multiply
    367,458.55x = 551,266.61 × 127,580.04
  4. Step 4: Simplify right side
    367,458.55x = 70,330,614,683.76
  5. Step 5: Solve for x
    x = 70,330,614,683.76/367,458.55
  6. Step 6: Final answer
    x = 191,397.41

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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.