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Finding the Fourth Proportional to 568,281.49, 784,330.04 and 338,853.53

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Solution

The fourth proportional to 568,281.49, 784,330.04 and 338,853.53 is: 467,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,281.49 : 784,330.04 = 338,853.53 : x
  2. Step 2: Convert to fraction form
    568,281.49/784,330.04 = 338,853.53/x
  3. Step 3: Cross multiply
    568,281.49x = 784,330.04 × 338,853.53
  4. Step 4: Simplify right side
    568,281.49x = 265,773,002,739.04
  5. Step 5: Solve for x
    x = 265,773,002,739.04/568,281.49
  6. Step 6: Final answer
    x = 467,678.44

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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.