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Finding the Fourth Proportional to 578,955.86, 799,003.41 and 364,279.94

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Solution

The fourth proportional to 578,955.86, 799,003.41 and 364,279.94 is: 502,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,955.86 : 799,003.41 = 364,279.94 : x
  2. Step 2: Convert to fraction form
    578,955.86/799,003.41 = 364,279.94/x
  3. Step 3: Cross multiply
    578,955.86x = 799,003.41 × 364,279.94
  4. Step 4: Simplify right side
    578,955.86x = 291,060,914,254.60
  5. Step 5: Solve for x
    x = 291,060,914,254.60/578,955.86
  6. Step 6: Final answer
    x = 502,734.21

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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.