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Finding the Fourth Proportional to 503,700.16, 695,114.88 and 274,264

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Solution

The fourth proportional to 503,700.16, 695,114.88 and 274,264 is: 378,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,700.16 : 695,114.88 = 274,264 : x
  2. Step 2: Convert to fraction form
    503,700.16/695,114.88 = 274,264/x
  3. Step 3: Cross multiply
    503,700.16x = 695,114.88 × 274,264
  4. Step 4: Simplify right side
    503,700.16x = 190,644,987,448.32
  5. Step 5: Solve for x
    x = 190,644,987,448.32/503,700.16
  6. Step 6: Final answer
    x = 378,489.03

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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.