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Finding the Fourth Proportional to 529,920.48, 794,712.12 and 174,868.32

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Solution

The fourth proportional to 529,920.48, 794,712.12 and 174,868.32 is: 262,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,920.48 : 794,712.12 = 174,868.32 : x
  2. Step 2: Convert to fraction form
    529,920.48/794,712.12 = 174,868.32/x
  3. Step 3: Cross multiply
    529,920.48x = 794,712.12 × 174,868.32
  4. Step 4: Simplify right side
    529,920.48x = 138,969,973,308.04
  5. Step 5: Solve for x
    x = 138,969,973,308.04/529,920.48
  6. Step 6: Final answer
    x = 262,246.84

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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.