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Finding the Fourth Proportional to 895,999.84, 1,236,479.22 and 493,591.84

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Solution

The fourth proportional to 895,999.84, 1,236,479.22 and 493,591.84 is: 681,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,999.84 : 1,236,479.22 = 493,591.84 : x
  2. Step 2: Convert to fraction form
    895,999.84/1,236,479.22 = 493,591.84/x
  3. Step 3: Cross multiply
    895,999.84x = 1,236,479.22 × 493,591.84
  4. Step 4: Simplify right side
    895,999.84x = 610,316,050,230.37
  5. Step 5: Solve for x
    x = 610,316,050,230.37/895,999.84
  6. Step 6: Final answer
    x = 681,156.43

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1.5x scale

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.