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Finding the Fourth Proportional to 383,798.43, 575,413.32 and 183,928.50

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Solution

The fourth proportional to 383,798.43, 575,413.32 and 183,928.50 is: 275,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,798.43 : 575,413.32 = 183,928.50 : x
  2. Step 2: Convert to fraction form
    383,798.43/575,413.32 = 183,928.50/x
  3. Step 3: Cross multiply
    383,798.43x = 575,413.32 × 183,928.50
  4. Step 4: Simplify right side
    383,798.43x = 105,834,908,827.62
  5. Step 5: Solve for x
    x = 105,834,908,827.62/383,798.43
  6. Step 6: Final answer
    x = 275,756.49

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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.