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Finding the Fourth Proportional to 484,683.10, 727,057.05 and 164,830.30

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Solution

The fourth proportional to 484,683.10, 727,057.05 and 164,830.30 is: 247,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,683.10 : 727,057.05 = 164,830.30 : x
  2. Step 2: Convert to fraction form
    484,683.10/727,057.05 = 164,830.30/x
  3. Step 3: Cross multiply
    484,683.10x = 727,057.05 × 164,830.30
  4. Step 4: Simplify right side
    484,683.10x = 119,841,031,668.62
  5. Step 5: Solve for x
    x = 119,841,031,668.62/484,683.10
  6. Step 6: Final answer
    x = 247,256.47

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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.