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Finding the Fourth Proportional to 292,468.60, 438,718.48 and 92,804.61

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Solution

The fourth proportional to 292,468.60, 438,718.48 and 92,804.61 is: 139,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,468.60 : 438,718.48 = 92,804.61 : x
  2. Step 2: Convert to fraction form
    292,468.60/438,718.48 = 92,804.61/x
  3. Step 3: Cross multiply
    292,468.60x = 438,718.48 × 92,804.61
  4. Step 4: Simplify right side
    292,468.60x = 40,715,097,204.18
  5. Step 5: Solve for x
    x = 40,715,097,204.18/292,468.60
  6. Step 6: Final answer
    x = 139,211.86

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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.