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Finding the Fourth Proportional to 352,877.37, 529,018.50 and 153,047.25

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Solution

The fourth proportional to 352,877.37, 529,018.50 and 153,047.25 is: 229,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,877.37 : 529,018.50 = 153,047.25 : x
  2. Step 2: Convert to fraction form
    352,877.37/529,018.50 = 153,047.25/x
  3. Step 3: Cross multiply
    352,877.37x = 529,018.50 × 153,047.25
  4. Step 4: Simplify right side
    352,877.37x = 80,964,826,624.13
  5. Step 5: Solve for x
    x = 80,964,826,624.13/352,877.37
  6. Step 6: Final answer
    x = 229,441.82

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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.