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Finding the Fourth Proportional to 641,666.92, 962,497.76 and 161,895.84

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Solution

The fourth proportional to 641,666.92, 962,497.76 and 161,895.84 is: 242,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,666.92 : 962,497.76 = 161,895.84 : x
  2. Step 2: Convert to fraction form
    641,666.92/962,497.76 = 161,895.84/x
  3. Step 3: Cross multiply
    641,666.92x = 962,497.76 × 161,895.84
  4. Step 4: Simplify right side
    641,666.92x = 155,824,385,557.19
  5. Step 5: Solve for x
    x = 155,824,385,557.19/641,666.92
  6. Step 6: Final answer
    x = 242,843.10

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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.