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Finding the Fourth Proportional to 718,820.16, 1,077,825.60 and 238,791

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Solution

The fourth proportional to 718,820.16, 1,077,825.60 and 238,791 is: 358,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,820.16 : 1,077,825.60 = 238,791 : x
  2. Step 2: Convert to fraction form
    718,820.16/1,077,825.60 = 238,791/x
  3. Step 3: Cross multiply
    718,820.16x = 1,077,825.60 × 238,791
  4. Step 4: Simplify right side
    718,820.16x = 257,375,052,849.60
  5. Step 5: Solve for x
    x = 257,375,052,849.60/718,820.16
  6. Step 6: Final answer
    x = 358,052.08

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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.