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Finding the Fourth Proportional to 435,173.58, 652,649.49 and 135,598.32

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Solution

The fourth proportional to 435,173.58, 652,649.49 and 135,598.32 is: 203,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,173.58 : 652,649.49 = 135,598.32 : x
  2. Step 2: Convert to fraction form
    435,173.58/652,649.49 = 135,598.32/x
  3. Step 3: Cross multiply
    435,173.58x = 652,649.49 × 135,598.32
  4. Step 4: Simplify right side
    435,173.58x = 88,498,174,392.86
  5. Step 5: Solve for x
    x = 88,498,174,392.86/435,173.58
  6. Step 6: Final answer
    x = 203,362.93

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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.