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Finding the Fourth Proportional to 292,462.45, 438,709.26 and 92,798.26

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Solution

The fourth proportional to 292,462.45, 438,709.26 and 92,798.26 is: 139,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,462.45 : 438,709.26 = 92,798.26 : x
  2. Step 2: Convert to fraction form
    292,462.45/438,709.26 = 92,798.26/x
  3. Step 3: Cross multiply
    292,462.45x = 438,709.26 × 92,798.26
  4. Step 4: Simplify right side
    292,462.45x = 40,711,455,225.11
  5. Step 5: Solve for x
    x = 40,711,455,225.11/292,462.45
  6. Step 6: Final answer
    x = 139,202.33

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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.