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Finding the Fourth Proportional to 575,391.06, 794,010.60 and 320,693.04

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Solution

The fourth proportional to 575,391.06, 794,010.60 and 320,693.04 is: 442,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,391.06 : 794,010.60 = 320,693.04 : x
  2. Step 2: Convert to fraction form
    575,391.06/794,010.60 = 320,693.04/x
  3. Step 3: Cross multiply
    575,391.06x = 794,010.60 × 320,693.04
  4. Step 4: Simplify right side
    575,391.06x = 254,633,673,106.22
  5. Step 5: Solve for x
    x = 254,633,673,106.22/575,391.06
  6. Step 6: Final answer
    x = 442,540.20

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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.