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Finding the Fourth Proportional to 895,804, 1,236,209.54 and 493,396

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Solution

The fourth proportional to 895,804, 1,236,209.54 and 493,396 is: 680,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,804 : 1,236,209.54 = 493,396 : x
  2. Step 2: Convert to fraction form
    895,804/1,236,209.54 = 493,396/x
  3. Step 3: Cross multiply
    895,804x = 1,236,209.54 × 493,396
  4. Step 4: Simplify right side
    895,804x = 609,940,842,197.84
  5. Step 5: Solve for x
    x = 609,940,842,197.84/895,804
  6. Step 6: Final answer
    x = 680,886.49

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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.