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Finding the Fourth Proportional to 352,900.63, 529,053.31 and 153,070.50

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Solution

The fourth proportional to 352,900.63, 529,053.31 and 153,070.50 is: 229,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,900.63 : 529,053.31 = 153,070.50 : x
  2. Step 2: Convert to fraction form
    352,900.63/529,053.31 = 153,070.50/x
  3. Step 3: Cross multiply
    352,900.63x = 529,053.31 × 153,070.50
  4. Step 4: Simplify right side
    352,900.63x = 80,982,454,688.36
  5. Step 5: Solve for x
    x = 80,982,454,688.36/352,900.63
  6. Step 6: Final answer
    x = 229,476.65

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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.