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Finding the Fourth Proportional to 575,221.95, 793,808.79 and 317,093.37

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Solution

The fourth proportional to 575,221.95, 793,808.79 and 317,093.37 is: 437,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,221.95 : 793,808.79 = 317,093.37 : x
  2. Step 2: Convert to fraction form
    575,221.95/793,808.79 = 317,093.37/x
  3. Step 3: Cross multiply
    575,221.95x = 793,808.79 × 317,093.37
  4. Step 4: Simplify right side
    575,221.95x = 251,711,504,356.72
  5. Step 5: Solve for x
    x = 251,711,504,356.72/575,221.95
  6. Step 6: Final answer
    x = 437,590.23

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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.