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Finding the Fourth Proportional to 417,157.52, 575,688.72 and 235,896.57

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Solution

The fourth proportional to 417,157.52, 575,688.72 and 235,896.57 is: 325,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,157.52 : 575,688.72 = 235,896.57 : x
  2. Step 2: Convert to fraction form
    417,157.52/575,688.72 = 235,896.57/x
  3. Step 3: Cross multiply
    417,157.52x = 575,688.72 × 235,896.57
  4. Step 4: Simplify right side
    417,157.52x = 135,802,994,435.69
  5. Step 5: Solve for x
    x = 135,802,994,435.69/417,157.52
  6. Step 6: Final answer
    x = 325,543.68

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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.