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Finding the Fourth Proportional to 529,642.32, 794,419.74 and 245,274

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Solution

The fourth proportional to 529,642.32, 794,419.74 and 245,274 is: 367,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,642.32 : 794,419.74 = 245,274 : x
  2. Step 2: Convert to fraction form
    529,642.32/794,419.74 = 245,274/x
  3. Step 3: Cross multiply
    529,642.32x = 794,419.74 × 245,274
  4. Step 4: Simplify right side
    529,642.32x = 194,850,507,308.76
  5. Step 5: Solve for x
    x = 194,850,507,308.76/529,642.32
  6. Step 6: Final answer
    x = 367,890.74

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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.