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Finding the Fourth Proportional to 568,528.50, 784,557.66 and 326,804.88

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Solution

The fourth proportional to 568,528.50, 784,557.66 and 326,804.88 is: 450,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,528.50 : 784,557.66 = 326,804.88 : x
  2. Step 2: Convert to fraction form
    568,528.50/784,557.66 = 326,804.88/x
  3. Step 3: Cross multiply
    568,528.50x = 784,557.66 × 326,804.88
  4. Step 4: Simplify right side
    568,528.50x = 256,397,271,929.38
  5. Step 5: Solve for x
    x = 256,397,271,929.38/568,528.50
  6. Step 6: Final answer
    x = 450,984.03

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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.