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Finding the Fourth Proportional to 367,063.30, 550,465.35 and 130,413.70

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Solution

The fourth proportional to 367,063.30, 550,465.35 and 130,413.70 is: 195,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,063.30 : 550,465.35 = 130,413.70 : x
  2. Step 2: Convert to fraction form
    367,063.30/550,465.35 = 130,413.70/x
  3. Step 3: Cross multiply
    367,063.30x = 550,465.35 × 130,413.70
  4. Step 4: Simplify right side
    367,063.30x = 71,788,223,015.30
  5. Step 5: Solve for x
    x = 71,788,223,015.30/367,063.30
  6. Step 6: Final answer
    x = 195,574.50

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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.