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Finding the Fourth Proportional to 501,675.40, 752,628.02 and 217,413.67

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Solution

The fourth proportional to 501,675.40, 752,628.02 and 217,413.67 is: 326,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,675.40 : 752,628.02 = 217,413.67 : x
  2. Step 2: Convert to fraction form
    501,675.40/752,628.02 = 217,413.67/x
  3. Step 3: Cross multiply
    501,675.40x = 752,628.02 × 217,413.67
  4. Step 4: Simplify right side
    501,675.40x = 163,631,619,973.03
  5. Step 5: Solve for x
    x = 163,631,619,973.03/501,675.40
  6. Step 6: Final answer
    x = 326,170.31

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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.