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Finding the Fourth Proportional to 352,017.94, 528,289.23 and 141,657.46

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Solution

The fourth proportional to 352,017.94, 528,289.23 and 141,657.46 is: 212,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,017.94 : 528,289.23 = 141,657.46 : x
  2. Step 2: Convert to fraction form
    352,017.94/528,289.23 = 141,657.46/x
  3. Step 3: Cross multiply
    352,017.94x = 528,289.23 × 141,657.46
  4. Step 4: Simplify right side
    352,017.94x = 74,836,110,467.16
  5. Step 5: Solve for x
    x = 74,836,110,467.16/352,017.94
  6. Step 6: Final answer
    x = 212,591.75

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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.