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Finding the Fourth Proportional to 504,090.32, 695,986.44 and 352,924.88

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Solution

The fourth proportional to 504,090.32, 695,986.44 and 352,924.88 is: 487,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,090.32 : 695,986.44 = 352,924.88 : x
  2. Step 2: Convert to fraction form
    504,090.32/695,986.44 = 352,924.88/x
  3. Step 3: Cross multiply
    504,090.32x = 695,986.44 × 352,924.88
  4. Step 4: Simplify right side
    504,090.32x = 245,630,930,818.63
  5. Step 5: Solve for x
    x = 245,630,930,818.63/504,090.32
  6. Step 6: Final answer
    x = 487,275.64

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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.