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Finding the Fourth Proportional to 243,068.40, 364,602.60 and 223,822.80

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Solution

The fourth proportional to 243,068.40, 364,602.60 and 223,822.80 is: 335,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,068.40 : 364,602.60 = 223,822.80 : x
  2. Step 2: Convert to fraction form
    243,068.40/364,602.60 = 223,822.80/x
  3. Step 3: Cross multiply
    243,068.40x = 364,602.60 × 223,822.80
  4. Step 4: Simplify right side
    243,068.40x = 81,606,374,819.28
  5. Step 5: Solve for x
    x = 81,606,374,819.28/243,068.40
  6. Step 6: Final answer
    x = 335,734.20

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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.