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Finding the Fourth Proportional to 718,610.76, 1,078,014.56 and 245,169

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Solution

The fourth proportional to 718,610.76, 1,078,014.56 and 245,169 is: 367,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,610.76 : 1,078,014.56 = 245,169 : x
  2. Step 2: Convert to fraction form
    718,610.76/1,078,014.56 = 245,169/x
  3. Step 3: Cross multiply
    718,610.76x = 1,078,014.56 × 245,169
  4. Step 4: Simplify right side
    718,610.76x = 264,295,750,434.80
  5. Step 5: Solve for x
    x = 264,295,750,434.80/718,610.76
  6. Step 6: Final answer
    x = 367,787.08

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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.