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Finding the Fourth Proportional to 576,476.19, 795,522.16 and 318,371.92

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Solution

The fourth proportional to 576,476.19, 795,522.16 and 318,371.92 is: 439,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,476.19 : 795,522.16 = 318,371.92 : x
  2. Step 2: Convert to fraction form
    576,476.19/795,522.16 = 318,371.92/x
  3. Step 3: Cross multiply
    576,476.19x = 795,522.16 × 318,371.92
  4. Step 4: Simplify right side
    576,476.19x = 253,271,915,890.91
  5. Step 5: Solve for x
    x = 253,271,915,890.91/576,476.19
  6. Step 6: Final answer
    x = 439,344.97

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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.