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Finding the Fourth Proportional to 528,630.62, 793,279.50 and 225,024.31

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Solution

The fourth proportional to 528,630.62, 793,279.50 and 225,024.31 is: 337,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,630.62 : 793,279.50 = 225,024.31 : x
  2. Step 2: Convert to fraction form
    528,630.62/793,279.50 = 225,024.31/x
  3. Step 3: Cross multiply
    528,630.62x = 793,279.50 × 225,024.31
  4. Step 4: Simplify right side
    528,630.62x = 178,507,172,124.65
  5. Step 5: Solve for x
    x = 178,507,172,124.65/528,630.62
  6. Step 6: Final answer
    x = 337,678.46

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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.