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Finding the Fourth Proportional to 292,380.12, 403,484.34 and 158,244.12

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Solution

The fourth proportional to 292,380.12, 403,484.34 and 158,244.12 is: 218,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,380.12 : 403,484.34 = 158,244.12 : x
  2. Step 2: Convert to fraction form
    292,380.12/403,484.34 = 158,244.12/x
  3. Step 3: Cross multiply
    292,380.12x = 403,484.34 × 158,244.12
  4. Step 4: Simplify right side
    292,380.12x = 63,849,024,317.08
  5. Step 5: Solve for x
    x = 63,849,024,317.08/292,380.12
  6. Step 6: Final answer
    x = 218,376.76

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