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Finding the Fourth Proportional to 261,158.44, 358,051.53 and 256,434.52

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Solution

The fourth proportional to 261,158.44, 358,051.53 and 256,434.52 is: 351,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,158.44 : 358,051.53 = 256,434.52 : x
  2. Step 2: Convert to fraction form
    261,158.44/358,051.53 = 256,434.52/x
  3. Step 3: Cross multiply
    261,158.44x = 358,051.53 × 256,434.52
  4. Step 4: Simplify right side
    261,158.44x = 91,816,772,230.82
  5. Step 5: Solve for x
    x = 91,816,772,230.82/261,158.44
  6. Step 6: Final answer
    x = 351,574.98

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.