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Finding the Fourth Proportional to 334,668.76, 502,009.64 and 132,259.48

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Solution

The fourth proportional to 334,668.76, 502,009.64 and 132,259.48 is: 198,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,668.76 : 502,009.64 = 132,259.48 : x
  2. Step 2: Convert to fraction form
    334,668.76/502,009.64 = 132,259.48/x
  3. Step 3: Cross multiply
    334,668.76x = 502,009.64 × 132,259.48
  4. Step 4: Simplify right side
    334,668.76x = 66,395,533,941.39
  5. Step 5: Solve for x
    x = 66,395,533,941.39/334,668.76
  6. Step 6: Final answer
    x = 198,391.79

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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.