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Finding the Fourth Proportional to 489,457.04, 675,440.37 and 271,653.03

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Solution

The fourth proportional to 489,457.04, 675,440.37 and 271,653.03 is: 374,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,457.04 : 675,440.37 = 271,653.03 : x
  2. Step 2: Convert to fraction form
    489,457.04/675,440.37 = 271,653.03/x
  3. Step 3: Cross multiply
    489,457.04x = 675,440.37 × 271,653.03
  4. Step 4: Simplify right side
    489,457.04x = 183,485,423,094.82
  5. Step 5: Solve for x
    x = 183,485,423,094.82/489,457.04
  6. Step 6: Final answer
    x = 374,875.44

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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.