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Finding the Fourth Proportional to 356,684.70, 492,211.69 and 193,337.70

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Solution

The fourth proportional to 356,684.70, 492,211.69 and 193,337.70 is: 266,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,684.70 : 492,211.69 = 193,337.70 : x
  2. Step 2: Convert to fraction form
    356,684.70/492,211.69 = 193,337.70/x
  3. Step 3: Cross multiply
    356,684.70x = 492,211.69 × 193,337.70
  4. Step 4: Simplify right side
    356,684.70x = 95,163,076,057.71
  5. Step 5: Solve for x
    x = 95,163,076,057.71/356,684.70
  6. Step 6: Final answer
    x = 266,798.87

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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.