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Finding the Fourth Proportional to 364,149.04, 502,240.80 and 236,865.28

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Solution

The fourth proportional to 364,149.04, 502,240.80 and 236,865.28 is: 326,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,149.04 : 502,240.80 = 236,865.28 : x
  2. Step 2: Convert to fraction form
    364,149.04/502,240.80 = 236,865.28/x
  3. Step 3: Cross multiply
    364,149.04x = 502,240.80 × 236,865.28
  4. Step 4: Simplify right side
    364,149.04x = 118,963,407,719.42
  5. Step 5: Solve for x
    x = 118,963,407,719.42/364,149.04
  6. Step 6: Final answer
    x = 326,688.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.