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Finding the Fourth Proportional to 374,413.35, 516,783.30 and 213,363.93

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Solution

The fourth proportional to 374,413.35, 516,783.30 and 213,363.93 is: 294,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,413.35 : 516,783.30 = 213,363.93 : x
  2. Step 2: Convert to fraction form
    374,413.35/516,783.30 = 213,363.93/x
  3. Step 3: Cross multiply
    374,413.35x = 516,783.30 × 213,363.93
  4. Step 4: Simplify right side
    374,413.35x = 110,262,915,846.37
  5. Step 5: Solve for x
    x = 110,262,915,846.37/374,413.35
  6. Step 6: Final answer
    x = 294,495.15

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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.