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Finding the Fourth Proportional to 689,602.26, 1,032,190.86 and 368,952

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Solution

The fourth proportional to 689,602.26, 1,032,190.86 and 368,952 is: 552,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,602.26 : 1,032,190.86 = 368,952 : x
  2. Step 2: Convert to fraction form
    689,602.26/1,032,190.86 = 368,952/x
  3. Step 3: Cross multiply
    689,602.26x = 1,032,190.86 × 368,952
  4. Step 4: Simplify right side
    689,602.26x = 380,828,882,178.72
  5. Step 5: Solve for x
    x = 380,828,882,178.72/689,602.26
  6. Step 6: Final answer
    x = 552,244.25

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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.