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Finding the Fourth Proportional to 578,109.11, 797,260.48 and 496,409.57

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Solution

The fourth proportional to 578,109.11, 797,260.48 and 496,409.57 is: 684,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,109.11 : 797,260.48 = 496,409.57 : x
  2. Step 2: Convert to fraction form
    578,109.11/797,260.48 = 496,409.57/x
  3. Step 3: Cross multiply
    578,109.11x = 797,260.48 × 496,409.57
  4. Step 4: Simplify right side
    578,109.11x = 395,767,734,118.00
  5. Step 5: Solve for x
    x = 395,767,734,118.00/578,109.11
  6. Step 6: Final answer
    x = 684,590.03

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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.