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Finding the Fourth Proportional to 538,412.60, 807,554.10 and 222,836.60

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Solution

The fourth proportional to 538,412.60, 807,554.10 and 222,836.60 is: 334,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,412.60 : 807,554.10 = 222,836.60 : x
  2. Step 2: Convert to fraction form
    538,412.60/807,554.10 = 222,836.60/x
  3. Step 3: Cross multiply
    538,412.60x = 807,554.10 × 222,836.60
  4. Step 4: Simplify right side
    538,412.60x = 179,952,609,960.06
  5. Step 5: Solve for x
    x = 179,952,609,960.06/538,412.60
  6. Step 6: Final answer
    x = 334,228.08

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1.5x scale

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.