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Finding the Fourth Proportional to 568,364.88, 784,293.76 and 364,055.28

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Solution

The fourth proportional to 568,364.88, 784,293.76 and 364,055.28 is: 502,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,364.88 : 784,293.76 = 364,055.28 : x
  2. Step 2: Convert to fraction form
    568,364.88/784,293.76 = 364,055.28/x
  3. Step 3: Cross multiply
    568,364.88x = 784,293.76 × 364,055.28
  4. Step 4: Simplify right side
    568,364.88x = 285,526,284,399.05
  5. Step 5: Solve for x
    x = 285,526,284,399.05/568,364.88
  6. Step 6: Final answer
    x = 502,364.40

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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.