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Finding the Fourth Proportional to 600,591.36, 828,063.36 and 385,351.68

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Solution

The fourth proportional to 600,591.36, 828,063.36 and 385,351.68 is: 531,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,591.36 : 828,063.36 = 385,351.68 : x
  2. Step 2: Convert to fraction form
    600,591.36/828,063.36 = 385,351.68/x
  3. Step 3: Cross multiply
    600,591.36x = 828,063.36 × 385,351.68
  4. Step 4: Simplify right side
    600,591.36x = 319,095,606,922.45
  5. Step 5: Solve for x
    x = 319,095,606,922.45/600,591.36
  6. Step 6: Final answer
    x = 531,302.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.