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Finding the Fourth Proportional to 523,773.44, 786,004.68 and 287,282

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Solution

The fourth proportional to 523,773.44, 786,004.68 and 287,282 is: 431,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,773.44 : 786,004.68 = 287,282 : x
  2. Step 2: Convert to fraction form
    523,773.44/786,004.68 = 287,282/x
  3. Step 3: Cross multiply
    523,773.44x = 786,004.68 × 287,282
  4. Step 4: Simplify right side
    523,773.44x = 225,804,996,479.76
  5. Step 5: Solve for x
    x = 225,804,996,479.76/523,773.44
  6. Step 6: Final answer
    x = 431,111.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.