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Finding the Fourth Proportional to 614,548.92, 921,958.71 and 188,088

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Solution

The fourth proportional to 614,548.92, 921,958.71 and 188,088 is: 282,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,548.92 : 921,958.71 = 188,088 : x
  2. Step 2: Convert to fraction form
    614,548.92/921,958.71 = 188,088/x
  3. Step 3: Cross multiply
    614,548.92x = 921,958.71 × 188,088
  4. Step 4: Simplify right side
    614,548.92x = 173,409,369,846.48
  5. Step 5: Solve for x
    x = 173,409,369,846.48/614,548.92
  6. Step 6: Final answer
    x = 282,173.42

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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.