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Finding the Fourth Proportional to 292,427.80, 403,737.96 and 238,841.44

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Solution

The fourth proportional to 292,427.80, 403,737.96 and 238,841.44 is: 329,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,427.80 : 403,737.96 = 238,841.44 : x
  2. Step 2: Convert to fraction form
    292,427.80/403,737.96 = 238,841.44/x
  3. Step 3: Cross multiply
    292,427.80x = 403,737.96 × 238,841.44
  4. Step 4: Simplify right side
    292,427.80x = 96,429,355,749.06
  5. Step 5: Solve for x
    x = 96,429,355,749.06/292,427.80
  6. Step 6: Final answer
    x = 329,754.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.