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Finding the Fourth Proportional to 352,539.80, 528,900.83 and 152,814.05

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Solution

The fourth proportional to 352,539.80, 528,900.83 and 152,814.05 is: 229,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,539.80 : 528,900.83 = 152,814.05 : x
  2. Step 2: Convert to fraction form
    352,539.80/528,900.83 = 152,814.05/x
  3. Step 3: Cross multiply
    352,539.80x = 528,900.83 × 152,814.05
  4. Step 4: Simplify right side
    352,539.80x = 80,823,477,880.66
  5. Step 5: Solve for x
    x = 80,823,477,880.66/352,539.80
  6. Step 6: Final answer
    x = 229,260.58

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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.