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Finding the Fourth Proportional to 575,250.75, 793,849.97 and 320,618.34

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Solution

The fourth proportional to 575,250.75, 793,849.97 and 320,618.34 is: 442,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,250.75 : 793,849.97 = 320,618.34 : x
  2. Step 2: Convert to fraction form
    575,250.75/793,849.97 = 320,618.34/x
  3. Step 3: Cross multiply
    575,250.75x = 793,849.97 × 320,618.34
  4. Step 4: Simplify right side
    575,250.75x = 254,522,857,987.36
  5. Step 5: Solve for x
    x = 254,522,857,987.36/575,250.75
  6. Step 6: Final answer
    x = 442,455.50

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1.5x scale

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.