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Finding the Fourth Proportional to 538,842.60, 808,199.10 and 223,266.60

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Solution

The fourth proportional to 538,842.60, 808,199.10 and 223,266.60 is: 334,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,842.60 : 808,199.10 = 223,266.60 : x
  2. Step 2: Convert to fraction form
    538,842.60/808,199.10 = 223,266.60/x
  3. Step 3: Cross multiply
    538,842.60x = 808,199.10 × 223,266.60
  4. Step 4: Simplify right side
    538,842.60x = 180,443,865,180.06
  5. Step 5: Solve for x
    x = 180,443,865,180.06/538,842.60
  6. Step 6: Final answer
    x = 334,873.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.