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Finding the Fourth Proportional to 482,827.40, 724,413.90 and 202,430.60

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Solution

The fourth proportional to 482,827.40, 724,413.90 and 202,430.60 is: 303,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,827.40 : 724,413.90 = 202,430.60 : x
  2. Step 2: Convert to fraction form
    482,827.40/724,413.90 = 202,430.60/x
  3. Step 3: Cross multiply
    482,827.40x = 724,413.90 × 202,430.60
  4. Step 4: Simplify right side
    482,827.40x = 146,643,540,425.34
  5. Step 5: Solve for x
    x = 146,643,540,425.34/482,827.40
  6. Step 6: Final answer
    x = 303,718.35

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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.