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Finding the Fourth Proportional to 529,134.78, 729,926.07 and 335,200.38

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Solution

The fourth proportional to 529,134.78, 729,926.07 and 335,200.38 is: 462,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,134.78 : 729,926.07 = 335,200.38 : x
  2. Step 2: Convert to fraction form
    529,134.78/729,926.07 = 335,200.38/x
  3. Step 3: Cross multiply
    529,134.78x = 729,926.07 × 335,200.38
  4. Step 4: Simplify right side
    529,134.78x = 244,671,496,035.91
  5. Step 5: Solve for x
    x = 244,671,496,035.91/529,134.78
  6. Step 6: Final answer
    x = 462,399.19

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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.