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Finding the Fourth Proportional to 364,185.02, 546,271.05 and 139,484.54

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Solution

The fourth proportional to 364,185.02, 546,271.05 and 139,484.54 is: 209,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,185.02 : 546,271.05 = 139,484.54 : x
  2. Step 2: Convert to fraction form
    364,185.02/546,271.05 = 139,484.54/x
  3. Step 3: Cross multiply
    364,185.02x = 546,271.05 × 139,484.54
  4. Step 4: Simplify right side
    364,185.02x = 76,196,366,124.57
  5. Step 5: Solve for x
    x = 76,196,366,124.57/364,185.02
  6. Step 6: Final answer
    x = 209,224.33

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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.