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Finding the Fourth Proportional to 292,600, 403,788 and 158,464

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Solution

The fourth proportional to 292,600, 403,788 and 158,464 is: 218,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,600 : 403,788 = 158,464 : x
  2. Step 2: Convert to fraction form
    292,600/403,788 = 158,464/x
  3. Step 3: Cross multiply
    292,600x = 403,788 × 158,464
  4. Step 4: Simplify right side
    292,600x = 63,985,861,632
  5. Step 5: Solve for x
    x = 63,985,861,632/292,600
  6. Step 6: Final answer
    x = 218,680.32

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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.