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Finding the Fourth Proportional to 352,924.44, 529,385.40 and 153,218.76

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Solution

The fourth proportional to 352,924.44, 529,385.40 and 153,218.76 is: 229,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,924.44 : 529,385.40 = 153,218.76 : x
  2. Step 2: Convert to fraction form
    352,924.44/529,385.40 = 153,218.76/x
  3. Step 3: Cross multiply
    352,924.44x = 529,385.40 × 153,218.76
  4. Step 4: Simplify right side
    352,924.44x = 81,111,774,550.10
  5. Step 5: Solve for x
    x = 81,111,774,550.10/352,924.44
  6. Step 6: Final answer
    x = 229,827.59

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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.