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Finding the Fourth Proportional to 597,985.19, 825,419.52 and 356,343.56

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Solution

The fourth proportional to 597,985.19, 825,419.52 and 356,343.56 is: 491,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,985.19 : 825,419.52 = 356,343.56 : x
  2. Step 2: Convert to fraction form
    597,985.19/825,419.52 = 356,343.56/x
  3. Step 3: Cross multiply
    597,985.19x = 825,419.52 × 356,343.56
  4. Step 4: Simplify right side
    597,985.19x = 294,132,926,123.19
  5. Step 5: Solve for x
    x = 294,132,926,123.19/597,985.19
  6. Step 6: Final answer
    x = 491,873.27

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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.