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Finding the Fourth Proportional to 531,860.67, 737,072.79 and 521,767.67

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Solution

The fourth proportional to 531,860.67, 737,072.79 and 521,767.67 is: 723,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,860.67 : 737,072.79 = 521,767.67 : x
  2. Step 2: Convert to fraction form
    531,860.67/737,072.79 = 521,767.67/x
  3. Step 3: Cross multiply
    531,860.67x = 737,072.79 × 521,767.67
  4. Step 4: Simplify right side
    531,860.67x = 384,580,748,573.34
  5. Step 5: Solve for x
    x = 384,580,748,573.34/531,860.67
  6. Step 6: Final answer
    x = 723,085.52

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.