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Finding the Fourth Proportional to 352,964, 529,148.26 and 153,134.08

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Solution

The fourth proportional to 352,964, 529,148.26 and 153,134.08 is: 229,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,964 : 529,148.26 = 153,134.08 : x
  2. Step 2: Convert to fraction form
    352,964/529,148.26 = 153,134.08/x
  3. Step 3: Cross multiply
    352,964x = 529,148.26 × 153,134.08
  4. Step 4: Simplify right side
    352,964x = 81,030,631,978.70
  5. Step 5: Solve for x
    x = 81,030,631,978.70/352,964
  6. Step 6: Final answer
    x = 229,571.94

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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.