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Finding the Fourth Proportional to 575,494.08, 794,182.32 and 320,840.16

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Solution

The fourth proportional to 575,494.08, 794,182.32 and 320,840.16 is: 442,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,494.08 : 794,182.32 = 320,840.16 : x
  2. Step 2: Convert to fraction form
    575,494.08/794,182.32 = 320,840.16/x
  3. Step 3: Cross multiply
    575,494.08x = 794,182.32 × 320,840.16
  4. Step 4: Simplify right side
    575,494.08x = 254,805,582,617.97
  5. Step 5: Solve for x
    x = 254,805,582,617.97/575,494.08
  6. Step 6: Final answer
    x = 442,759.69

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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.