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Finding the Fourth Proportional to 375,152.96, 517,700.76 and 205,383.44

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Solution

The fourth proportional to 375,152.96, 517,700.76 and 205,383.44 is: 283,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,152.96 : 517,700.76 = 205,383.44 : x
  2. Step 2: Convert to fraction form
    375,152.96/517,700.76 = 205,383.44/x
  3. Step 3: Cross multiply
    375,152.96x = 517,700.76 × 205,383.44
  4. Step 4: Simplify right side
    375,152.96x = 106,327,162,979.41
  5. Step 5: Solve for x
    x = 106,327,162,979.41/375,152.96
  6. Step 6: Final answer
    x = 283,423.49

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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.