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Finding the Fourth Proportional to 529,532, 730,754.16 and 291,068

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Solution

The fourth proportional to 529,532, 730,754.16 and 291,068 is: 401,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,532 : 730,754.16 = 291,068 : x
  2. Step 2: Convert to fraction form
    529,532/730,754.16 = 291,068/x
  3. Step 3: Cross multiply
    529,532x = 730,754.16 × 291,068
  4. Step 4: Simplify right side
    529,532x = 212,699,151,842.88
  5. Step 5: Solve for x
    x = 212,699,151,842.88/529,532
  6. Step 6: Final answer
    x = 401,673.84

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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.