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Finding the Fourth Proportional to 528,364.62, 792,572.04 and 168,573.56

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Solution

The fourth proportional to 528,364.62, 792,572.04 and 168,573.56 is: 252,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,364.62 : 792,572.04 = 168,573.56 : x
  2. Step 2: Convert to fraction form
    528,364.62/792,572.04 = 168,573.56/x
  3. Step 3: Cross multiply
    528,364.62x = 792,572.04 × 168,573.56
  4. Step 4: Simplify right side
    528,364.62x = 133,606,686,376.40
  5. Step 5: Solve for x
    x = 133,606,686,376.40/528,364.62
  6. Step 6: Final answer
    x = 252,868.34

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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.