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Finding the Fourth Proportional to 578,278.98, 798,084.63 and 333,272.34

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Solution

The fourth proportional to 578,278.98, 798,084.63 and 333,272.34 is: 459,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,278.98 : 798,084.63 = 333,272.34 : x
  2. Step 2: Convert to fraction form
    578,278.98/798,084.63 = 333,272.34/x
  3. Step 3: Cross multiply
    578,278.98x = 798,084.63 × 333,272.34
  4. Step 4: Simplify right side
    578,278.98x = 265,979,532,158.13
  5. Step 5: Solve for x
    x = 265,979,532,158.13/578,278.98
  6. Step 6: Final answer
    x = 459,950.20

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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.