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Finding the Fourth Proportional to 614,838.23, 921,022.23 and 306,160.27

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Solution

The fourth proportional to 614,838.23, 921,022.23 and 306,160.27 is: 458,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,838.23 : 921,022.23 = 306,160.27 : x
  2. Step 2: Convert to fraction form
    614,838.23/921,022.23 = 306,160.27/x
  3. Step 3: Cross multiply
    614,838.23x = 921,022.23 × 306,160.27
  4. Step 4: Simplify right side
    614,838.23x = 281,980,414,612.80
  5. Step 5: Solve for x
    x = 281,980,414,612.80/614,838.23
  6. Step 6: Final answer
    x = 458,625.38

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1.5x scale

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.