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Finding the Fourth Proportional to 325,985.38, 489,047.19 and 101,340.34

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Solution

The fourth proportional to 325,985.38, 489,047.19 and 101,340.34 is: 152,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,985.38 : 489,047.19 = 101,340.34 : x
  2. Step 2: Convert to fraction form
    325,985.38/489,047.19 = 101,340.34/x
  3. Step 3: Cross multiply
    325,985.38x = 489,047.19 × 101,340.34
  4. Step 4: Simplify right side
    325,985.38x = 49,560,208,510.64
  5. Step 5: Solve for x
    x = 49,560,208,510.64/325,985.38
  6. Step 6: Final answer
    x = 152,032.00

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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.