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Finding the Fourth Proportional to 368,641.53, 508,808.28 and 241,243.31

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Solution

The fourth proportional to 368,641.53, 508,808.28 and 241,243.31 is: 332,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,641.53 : 508,808.28 = 241,243.31 : x
  2. Step 2: Convert to fraction form
    368,641.53/508,808.28 = 241,243.31/x
  3. Step 3: Cross multiply
    368,641.53x = 508,808.28 × 241,243.31
  4. Step 4: Simplify right side
    368,641.53x = 122,746,595,799.29
  5. Step 5: Solve for x
    x = 122,746,595,799.29/368,641.53
  6. Step 6: Final answer
    x = 332,970.07

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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.