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Finding the Fourth Proportional to 576,193.84, 795,052.36 and 321,544.40

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Solution

The fourth proportional to 576,193.84, 795,052.36 and 321,544.40 is: 443,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,193.84 : 795,052.36 = 321,544.40 : x
  2. Step 2: Convert to fraction form
    576,193.84/795,052.36 = 321,544.40/x
  3. Step 3: Cross multiply
    576,193.84x = 795,052.36 × 321,544.40
  4. Step 4: Simplify right side
    576,193.84x = 255,644,634,064.78
  5. Step 5: Solve for x
    x = 255,644,634,064.78/576,193.84
  6. Step 6: Final answer
    x = 443,678.18

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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.