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Finding the Fourth Proportional to 747,576, 1,121,830.56 and 304,344

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Solution

The fourth proportional to 747,576, 1,121,830.56 and 304,344 is: 456,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,576 : 1,121,830.56 = 304,344 : x
  2. Step 2: Convert to fraction form
    747,576/1,121,830.56 = 304,344/x
  3. Step 3: Cross multiply
    747,576x = 1,121,830.56 × 304,344
  4. Step 4: Simplify right side
    747,576x = 341,422,399,952.64
  5. Step 5: Solve for x
    x = 341,422,399,952.64/747,576
  6. Step 6: Final answer
    x = 456,705.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.