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Finding the Fourth Proportional to 895,658.88, 1,236,003.84 and 493,248

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Solution

The fourth proportional to 895,658.88, 1,236,003.84 and 493,248 is: 680,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,658.88 : 1,236,003.84 = 493,248 : x
  2. Step 2: Convert to fraction form
    895,658.88/1,236,003.84 = 493,248/x
  3. Step 3: Cross multiply
    895,658.88x = 1,236,003.84 × 493,248
  4. Step 4: Simplify right side
    895,658.88x = 609,656,422,072.32
  5. Step 5: Solve for x
    x = 609,656,422,072.32/895,658.88
  6. Step 6: Final answer
    x = 680,679.26

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Why These Related Problems?

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