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Finding the Fourth Proportional to 530,274.51, 795,413.41 and 130,915.33

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Solution

The fourth proportional to 530,274.51, 795,413.41 and 130,915.33 is: 196,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,274.51 : 795,413.41 = 130,915.33 : x
  2. Step 2: Convert to fraction form
    530,274.51/795,413.41 = 130,915.33/x
  3. Step 3: Cross multiply
    530,274.51x = 795,413.41 × 130,915.33
  4. Step 4: Simplify right side
    530,274.51x = 104,131,806,740.75
  5. Step 5: Solve for x
    x = 104,131,806,740.75/530,274.51
  6. Step 6: Final answer
    x = 196,373.40

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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.