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Finding the Fourth Proportional to 292,314.47, 438,483.90 and 92,630.44

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Solution

The fourth proportional to 292,314.47, 438,483.90 and 92,630.44 is: 138,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,314.47 : 438,483.90 = 92,630.44 : x
  2. Step 2: Convert to fraction form
    292,314.47/438,483.90 = 92,630.44/x
  3. Step 3: Cross multiply
    292,314.47x = 438,483.90 × 92,630.44
  4. Step 4: Simplify right side
    292,314.47x = 40,616,955,841.07
  5. Step 5: Solve for x
    x = 40,616,955,841.07/292,314.47
  6. Step 6: Final answer
    x = 138,949.52

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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.