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Finding the Fourth Proportional to 529,599.11, 731,198.66 and 406,872.86

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Solution

The fourth proportional to 529,599.11, 731,198.66 and 406,872.86 is: 561,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,599.11 : 731,198.66 = 406,872.86 : x
  2. Step 2: Convert to fraction form
    529,599.11/731,198.66 = 406,872.86/x
  3. Step 3: Cross multiply
    529,599.11x = 731,198.66 × 406,872.86
  4. Step 4: Simplify right side
    529,599.11x = 297,504,884,332.01
  5. Step 5: Solve for x
    x = 297,504,884,332.01/529,599.11
  6. Step 6: Final answer
    x = 561,754.89

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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.