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Finding the Fourth Proportional to 292,462.76, 438,858.06 and 159,352.28

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Solution

The fourth proportional to 292,462.76, 438,858.06 and 159,352.28 is: 239,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,462.76 : 438,858.06 = 159,352.28 : x
  2. Step 2: Convert to fraction form
    292,462.76/438,858.06 = 159,352.28/x
  3. Step 3: Cross multiply
    292,462.76x = 438,858.06 × 159,352.28
  4. Step 4: Simplify right side
    292,462.76x = 69,933,032,457.38
  5. Step 5: Solve for x
    x = 69,933,032,457.38/292,462.76
  6. Step 6: Final answer
    x = 239,117.73

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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.