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Finding the Fourth Proportional to 442,413.96, 610,583.16 and 251,456.05

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Solution

The fourth proportional to 442,413.96, 610,583.16 and 251,456.05 is: 347,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,413.96 : 610,583.16 = 251,456.05 : x
  2. Step 2: Convert to fraction form
    442,413.96/610,583.16 = 251,456.05/x
  3. Step 3: Cross multiply
    442,413.96x = 610,583.16 × 251,456.05
  4. Step 4: Simplify right side
    442,413.96x = 153,534,829,610.12
  5. Step 5: Solve for x
    x = 153,534,829,610.12/442,413.96
  6. Step 6: Final answer
    x = 347,038.84

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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.