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Finding the Fourth Proportional to 507,809.86, 700,413.69 and 335,528.26

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Solution

The fourth proportional to 507,809.86, 700,413.69 and 335,528.26 is: 462,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,809.86 : 700,413.69 = 335,528.26 : x
  2. Step 2: Convert to fraction form
    507,809.86/700,413.69 = 335,528.26/x
  3. Step 3: Cross multiply
    507,809.86x = 700,413.69 × 335,528.26
  4. Step 4: Simplify right side
    507,809.86x = 235,008,586,685.88
  5. Step 5: Solve for x
    x = 235,008,586,685.88/507,809.86
  6. Step 6: Final answer
    x = 462,788.55

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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.