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Finding the Fourth Proportional to 575,284.88, 793,858.98 and 330,213.02

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Solution

The fourth proportional to 575,284.88, 793,858.98 and 330,213.02 is: 455,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,284.88 : 793,858.98 = 330,213.02 : x
  2. Step 2: Convert to fraction form
    575,284.88/793,858.98 = 330,213.02/x
  3. Step 3: Cross multiply
    575,284.88x = 793,858.98 × 330,213.02
  4. Step 4: Simplify right side
    575,284.88x = 262,142,571,239.92
  5. Step 5: Solve for x
    x = 262,142,571,239.92/575,284.88
  6. Step 6: Final answer
    x = 455,674.36

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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.