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Finding the Fourth Proportional to 437,832.96, 656,866.44 and 157,352.64

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Solution

The fourth proportional to 437,832.96, 656,866.44 and 157,352.64 is: 236,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,832.96 : 656,866.44 = 157,352.64 : x
  2. Step 2: Convert to fraction form
    437,832.96/656,866.44 = 157,352.64/x
  3. Step 3: Cross multiply
    437,832.96x = 656,866.44 × 157,352.64
  4. Step 4: Simplify right side
    437,832.96x = 103,359,668,461.40
  5. Step 5: Solve for x
    x = 103,359,668,461.40/437,832.96
  6. Step 6: Final answer
    x = 236,071.01

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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.