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Finding the Fourth Proportional to 575,255.01, 793,878.94 and 320,608.02

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Solution

The fourth proportional to 575,255.01, 793,878.94 and 320,608.02 is: 442,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,255.01 : 793,878.94 = 320,608.02 : x
  2. Step 2: Convert to fraction form
    575,255.01/793,878.94 = 320,608.02/x
  3. Step 3: Cross multiply
    575,255.01x = 793,878.94 × 320,608.02
  4. Step 4: Simplify right side
    575,255.01x = 254,523,950,399.98
  5. Step 5: Solve for x
    x = 254,523,950,399.98/575,255.01
  6. Step 6: Final answer
    x = 442,454.13

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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.