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Finding the Fourth Proportional to 447,897.02, 618,097.90 and 246,693.02

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Solution

The fourth proportional to 447,897.02, 618,097.90 and 246,693.02 is: 340,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,897.02 : 618,097.90 = 246,693.02 : x
  2. Step 2: Convert to fraction form
    447,897.02/618,097.90 = 246,693.02/x
  3. Step 3: Cross multiply
    447,897.02x = 618,097.90 × 246,693.02
  4. Step 4: Simplify right side
    447,897.02x = 152,480,437,606.66
  5. Step 5: Solve for x
    x = 152,480,437,606.66/447,897.02
  6. Step 6: Final answer
    x = 340,436.37

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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.