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Finding the Fourth Proportional to 546,935.96, 820,399.08 and 191,866.79

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Solution

The fourth proportional to 546,935.96, 820,399.08 and 191,866.79 is: 287,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,935.96 : 820,399.08 = 191,866.79 : x
  2. Step 2: Convert to fraction form
    546,935.96/820,399.08 = 191,866.79/x
  3. Step 3: Cross multiply
    546,935.96x = 820,399.08 × 191,866.79
  4. Step 4: Simplify right side
    546,935.96x = 157,407,337,998.55
  5. Step 5: Solve for x
    x = 157,407,337,998.55/546,935.96
  6. Step 6: Final answer
    x = 287,798.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.