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Finding the Fourth Proportional to 644,953.96, 967,440.70 and 245,616.84

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Solution

The fourth proportional to 644,953.96, 967,440.70 and 245,616.84 is: 368,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,953.96 : 967,440.70 = 245,616.84 : x
  2. Step 2: Convert to fraction form
    644,953.96/967,440.70 = 245,616.84/x
  3. Step 3: Cross multiply
    644,953.96x = 967,440.70 × 245,616.84
  4. Step 4: Simplify right side
    644,953.96x = 237,619,727,621.39
  5. Step 5: Solve for x
    x = 237,619,727,621.39/644,953.96
  6. Step 6: Final answer
    x = 368,428.98

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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.