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Finding the Fourth Proportional to 537,957.64, 742,383.66 and 323,101.36

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Solution

The fourth proportional to 537,957.64, 742,383.66 and 323,101.36 is: 445,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,957.64 : 742,383.66 = 323,101.36 : x
  2. Step 2: Convert to fraction form
    537,957.64/742,383.66 = 323,101.36/x
  3. Step 3: Cross multiply
    537,957.64x = 742,383.66 × 323,101.36
  4. Step 4: Simplify right side
    537,957.64x = 239,865,170,187.78
  5. Step 5: Solve for x
    x = 239,865,170,187.78/537,957.64
  6. Step 6: Final answer
    x = 445,881.15

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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.