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Finding the Fourth Proportional to 427,335.41, 589,332.70 and 366,886.73

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Solution

The fourth proportional to 427,335.41, 589,332.70 and 366,886.73 is: 505,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,335.41 : 589,332.70 = 366,886.73 : x
  2. Step 2: Convert to fraction form
    427,335.41/589,332.70 = 366,886.73/x
  3. Step 3: Cross multiply
    427,335.41x = 589,332.70 × 366,886.73
  4. Step 4: Simplify right side
    427,335.41x = 216,218,347,185.07
  5. Step 5: Solve for x
    x = 216,218,347,185.07/427,335.41
  6. Step 6: Final answer
    x = 505,968.71

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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.