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Finding the Fourth Proportional to 528,880.48, 793,476.24 and 213,174.88

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Solution

The fourth proportional to 528,880.48, 793,476.24 and 213,174.88 is: 319,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,880.48 : 793,476.24 = 213,174.88 : x
  2. Step 2: Convert to fraction form
    528,880.48/793,476.24 = 213,174.88/x
  3. Step 3: Cross multiply
    528,880.48x = 793,476.24 × 213,174.88
  4. Step 4: Simplify right side
    528,880.48x = 169,149,202,244.85
  5. Step 5: Solve for x
    x = 169,149,202,244.85/528,880.48
  6. Step 6: Final answer
    x = 319,825.01

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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.