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Finding the Fourth Proportional to 713,270.15, 984,413.52 and 441,425.60

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Solution

The fourth proportional to 713,270.15, 984,413.52 and 441,425.60 is: 609,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,270.15 : 984,413.52 = 441,425.60 : x
  2. Step 2: Convert to fraction form
    713,270.15/984,413.52 = 441,425.60/x
  3. Step 3: Cross multiply
    713,270.15x = 984,413.52 × 441,425.60
  4. Step 4: Simplify right side
    713,270.15x = 434,545,328,714.11
  5. Step 5: Solve for x
    x = 434,545,328,714.11/713,270.15
  6. Step 6: Final answer
    x = 609,229.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.