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Finding the Fourth Proportional to 569,529.22, 785,940.69 and 406,485.94

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Solution

The fourth proportional to 569,529.22, 785,940.69 and 406,485.94 is: 560,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,529.22 : 785,940.69 = 406,485.94 : x
  2. Step 2: Convert to fraction form
    569,529.22/785,940.69 = 406,485.94/x
  3. Step 3: Cross multiply
    569,529.22x = 785,940.69 × 406,485.94
  4. Step 4: Simplify right side
    569,529.22x = 319,473,840,158.90
  5. Step 5: Solve for x
    x = 319,473,840,158.90/569,529.22
  6. Step 6: Final answer
    x = 560,943.72

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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.