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Finding the Fourth Proportional to 352,925.44, 529,386.90 and 153,219.76

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Solution

The fourth proportional to 352,925.44, 529,386.90 and 153,219.76 is: 229,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,925.44 : 529,386.90 = 153,219.76 : x
  2. Step 2: Convert to fraction form
    352,925.44/529,386.90 = 153,219.76/x
  3. Step 3: Cross multiply
    352,925.44x = 529,386.90 × 153,219.76
  4. Step 4: Simplify right side
    352,925.44x = 81,112,533,765.14
  5. Step 5: Solve for x
    x = 81,112,533,765.14/352,925.44
  6. Step 6: Final answer
    x = 229,829.09

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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.