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Finding the Fourth Proportional to 353,060, 487,233.60 and 200,094.40

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Solution

The fourth proportional to 353,060, 487,233.60 and 200,094.40 is: 276,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,060 : 487,233.60 = 200,094.40 : x
  2. Step 2: Convert to fraction form
    353,060/487,233.60 = 200,094.40/x
  3. Step 3: Cross multiply
    353,060x = 487,233.60 × 200,094.40
  4. Step 4: Simplify right side
    353,060x = 97,492,714,851.84
  5. Step 5: Solve for x
    x = 97,492,714,851.84/353,060
  6. Step 6: Final answer
    x = 276,136.39

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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.