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Finding the Fourth Proportional to 529,992.58, 731,078.40 and 333,446.58

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Solution

The fourth proportional to 529,992.58, 731,078.40 and 333,446.58 is: 459,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,992.58 : 731,078.40 = 333,446.58 : x
  2. Step 2: Convert to fraction form
    529,992.58/731,078.40 = 333,446.58/x
  3. Step 3: Cross multiply
    529,992.58x = 731,078.40 × 333,446.58
  4. Step 4: Simplify right side
    529,992.58x = 243,775,592,191.87
  5. Step 5: Solve for x
    x = 243,775,592,191.87/529,992.58
  6. Step 6: Final answer
    x = 459,960.39

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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.