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Finding the Fourth Proportional to 576,476.69, 795,522.85 and 318,372.42

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Solution

The fourth proportional to 576,476.69, 795,522.85 and 318,372.42 is: 439,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,476.69 : 795,522.85 = 318,372.42 : x
  2. Step 2: Convert to fraction form
    576,476.69/795,522.85 = 318,372.42/x
  3. Step 3: Cross multiply
    576,476.69x = 795,522.85 × 318,372.42
  4. Step 4: Simplify right side
    576,476.69x = 253,272,534,919.80
  5. Step 5: Solve for x
    x = 253,272,534,919.80/576,476.69
  6. Step 6: Final answer
    x = 439,345.67

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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.