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Finding the Fourth Proportional to 327,434.96, 450,565.80 and 273,547.28

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Solution

The fourth proportional to 327,434.96, 450,565.80 and 273,547.28 is: 376,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,434.96 : 450,565.80 = 273,547.28 : x
  2. Step 2: Convert to fraction form
    327,434.96/450,565.80 = 273,547.28/x
  3. Step 3: Cross multiply
    327,434.96x = 450,565.80 × 273,547.28
  4. Step 4: Simplify right side
    327,434.96x = 123,251,049,051.02
  5. Step 5: Solve for x
    x = 123,251,049,051.02/327,434.96
  6. Step 6: Final answer
    x = 376,413.84

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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.