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Finding the Fourth Proportional to 462,628.86, 693,944.01 and 130,204.86

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Solution

The fourth proportional to 462,628.86, 693,944.01 and 130,204.86 is: 195,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,628.86 : 693,944.01 = 130,204.86 : x
  2. Step 2: Convert to fraction form
    462,628.86/693,944.01 = 130,204.86/x
  3. Step 3: Cross multiply
    462,628.86x = 693,944.01 × 130,204.86
  4. Step 4: Simplify right side
    462,628.86x = 90,354,882,669.89
  5. Step 5: Solve for x
    x = 90,354,882,669.89/462,628.86
  6. Step 6: Final answer
    x = 195,307.49

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Similar ratio
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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.