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Finding the Fourth Proportional to 531,546.72, 733,712.24 and 316,754.16

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Solution

The fourth proportional to 531,546.72, 733,712.24 and 316,754.16 is: 437,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,546.72 : 733,712.24 = 316,754.16 : x
  2. Step 2: Convert to fraction form
    531,546.72/733,712.24 = 316,754.16/x
  3. Step 3: Cross multiply
    531,546.72x = 733,712.24 × 316,754.16
  4. Step 4: Simplify right side
    531,546.72x = 232,406,404,262.92
  5. Step 5: Solve for x
    x = 232,406,404,262.92/531,546.72
  6. Step 6: Final answer
    x = 437,226.67

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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.