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Finding the Fourth Proportional to 609,654.82, 841,544.49 and 496,280.74

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Solution

The fourth proportional to 609,654.82, 841,544.49 and 496,280.74 is: 685,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,654.82 : 841,544.49 = 496,280.74 : x
  2. Step 2: Convert to fraction form
    609,654.82/841,544.49 = 496,280.74/x
  3. Step 3: Cross multiply
    609,654.82x = 841,544.49 × 496,280.74
  4. Step 4: Simplify right side
    609,654.82x = 417,642,322,240.12
  5. Step 5: Solve for x
    x = 417,642,322,240.12/609,654.82
  6. Step 6: Final answer
    x = 685,047.19

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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.