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Finding the Fourth Proportional to 426,006.94, 587,891.64 and 235,020.28

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Solution

The fourth proportional to 426,006.94, 587,891.64 and 235,020.28 is: 324,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,006.94 : 587,891.64 = 235,020.28 : x
  2. Step 2: Convert to fraction form
    426,006.94/587,891.64 = 235,020.28/x
  3. Step 3: Cross multiply
    426,006.94x = 587,891.64 × 235,020.28
  4. Step 4: Simplify right side
    426,006.94x = 138,166,457,842.46
  5. Step 5: Solve for x
    x = 138,166,457,842.46/426,006.94
  6. Step 6: Final answer
    x = 324,329.12

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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.