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Finding the Fourth Proportional to 529,719.68, 794,604 and 174,764.72

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Solution

The fourth proportional to 529,719.68, 794,604 and 174,764.72 is: 262,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,719.68 : 794,604 = 174,764.72 : x
  2. Step 2: Convert to fraction form
    529,719.68/794,604 = 174,764.72/x
  3. Step 3: Cross multiply
    529,719.68x = 794,604 × 174,764.72
  4. Step 4: Simplify right side
    529,719.68x = 138,868,745,570.88
  5. Step 5: Solve for x
    x = 138,868,745,570.88/529,719.68
  6. Step 6: Final answer
    x = 262,155.16

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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.