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Finding the Fourth Proportional to 655,264.42, 903,918.08 and 450,960.64

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Solution

The fourth proportional to 655,264.42, 903,918.08 and 450,960.64 is: 622,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,264.42 : 903,918.08 = 450,960.64 : x
  2. Step 2: Convert to fraction form
    655,264.42/903,918.08 = 450,960.64/x
  3. Step 3: Cross multiply
    655,264.42x = 903,918.08 × 450,960.64
  4. Step 4: Simplify right side
    655,264.42x = 407,631,481,473.19
  5. Step 5: Solve for x
    x = 407,631,481,473.19/655,264.42
  6. Step 6: Final answer
    x = 622,087.01

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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.