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Finding the Fourth Proportional to 458,329.04, 687,530.56 and 174,155.84

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Solution

The fourth proportional to 458,329.04, 687,530.56 and 174,155.84 is: 261,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,329.04 : 687,530.56 = 174,155.84 : x
  2. Step 2: Convert to fraction form
    458,329.04/687,530.56 = 174,155.84/x
  3. Step 3: Cross multiply
    458,329.04x = 687,530.56 × 174,155.84
  4. Step 4: Simplify right side
    458,329.04x = 119,737,462,202.47
  5. Step 5: Solve for x
    x = 119,737,462,202.47/458,329.04
  6. Step 6: Final answer
    x = 261,247.82

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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.