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Finding the Fourth Proportional to 328,140, 452,833.52 and 177,237

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Solution

The fourth proportional to 328,140, 452,833.52 and 177,237 is: 244,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,140 : 452,833.52 = 177,237 : x
  2. Step 2: Convert to fraction form
    328,140/452,833.52 = 177,237/x
  3. Step 3: Cross multiply
    328,140x = 452,833.52 × 177,237
  4. Step 4: Simplify right side
    328,140x = 80,258,853,698.06
  5. Step 5: Solve for x
    x = 80,258,853,698.06/328,140
  6. Step 6: Final answer
    x = 244,587.23

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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.