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Finding the Fourth Proportional to 531,526.56, 733,568.91 and 302,118.32

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Solution

The fourth proportional to 531,526.56, 733,568.91 and 302,118.32 is: 416,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,526.56 : 733,568.91 = 302,118.32 : x
  2. Step 2: Convert to fraction form
    531,526.56/733,568.91 = 302,118.32/x
  3. Step 3: Cross multiply
    531,526.56x = 733,568.91 × 302,118.32
  4. Step 4: Simplify right side
    531,526.56x = 221,624,607,394.41
  5. Step 5: Solve for x
    x = 221,624,607,394.41/531,526.56
  6. Step 6: Final answer
    x = 416,958.67

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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.