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Finding the Fourth Proportional to 366,979.01, 506,390.55 and 205,800.89

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Solution

The fourth proportional to 366,979.01, 506,390.55 and 205,800.89 is: 283,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,979.01 : 506,390.55 = 205,800.89 : x
  2. Step 2: Convert to fraction form
    366,979.01/506,390.55 = 205,800.89/x
  3. Step 3: Cross multiply
    366,979.01x = 506,390.55 × 205,800.89
  4. Step 4: Simplify right side
    366,979.01x = 104,215,625,877.59
  5. Step 5: Solve for x
    x = 104,215,625,877.59/366,979.01
  6. Step 6: Final answer
    x = 283,982.52

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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.