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Finding the Fourth Proportional to 608,592.33, 912,971.55 and 253,523.31

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Solution

The fourth proportional to 608,592.33, 912,971.55 and 253,523.31 is: 380,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,592.33 : 912,971.55 = 253,523.31 : x
  2. Step 2: Convert to fraction form
    608,592.33/912,971.55 = 253,523.31/x
  3. Step 3: Cross multiply
    608,592.33x = 912,971.55 × 253,523.31
  4. Step 4: Simplify right side
    608,592.33x = 231,459,569,291.83
  5. Step 5: Solve for x
    x = 231,459,569,291.83/608,592.33
  6. Step 6: Final answer
    x = 380,319.56

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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.