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Finding the Fourth Proportional to 531,706.92, 733,729.66 and 316,842.20

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Solution

The fourth proportional to 531,706.92, 733,729.66 and 316,842.20 is: 437,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,706.92 : 733,729.66 = 316,842.20 : x
  2. Step 2: Convert to fraction form
    531,706.92/733,729.66 = 316,842.20/x
  3. Step 3: Cross multiply
    531,706.92x = 733,729.66 × 316,842.20
  4. Step 4: Simplify right side
    531,706.92x = 232,476,519,679.65
  5. Step 5: Solve for x
    x = 232,476,519,679.65/531,706.92
  6. Step 6: Final answer
    x = 437,226.81

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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.