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Finding the Fourth Proportional to 364,386.80, 546,450.60 and 164,802.80

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Solution

The fourth proportional to 364,386.80, 546,450.60 and 164,802.80 is: 247,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,386.80 : 546,450.60 = 164,802.80 : x
  2. Step 2: Convert to fraction form
    364,386.80/546,450.60 = 164,802.80/x
  3. Step 3: Cross multiply
    364,386.80x = 546,450.60 × 164,802.80
  4. Step 4: Simplify right side
    364,386.80x = 90,056,588,941.68
  5. Step 5: Solve for x
    x = 90,056,588,941.68/364,386.80
  6. Step 6: Final answer
    x = 247,145.59

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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.