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Finding the Fourth Proportional to 354,271.68, 488,885.22 and 193,130.04

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Solution

The fourth proportional to 354,271.68, 488,885.22 and 193,130.04 is: 266,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,271.68 : 488,885.22 = 193,130.04 : x
  2. Step 2: Convert to fraction form
    354,271.68/488,885.22 = 193,130.04/x
  3. Step 3: Cross multiply
    354,271.68x = 488,885.22 × 193,130.04
  4. Step 4: Simplify right side
    354,271.68x = 94,418,422,094.01
  5. Step 5: Solve for x
    x = 94,418,422,094.01/354,271.68
  6. Step 6: Final answer
    x = 266,514.17

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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.