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Finding the Fourth Proportional to 670,992.24, 925,994.76 and 384,567.60

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Solution

The fourth proportional to 670,992.24, 925,994.76 and 384,567.60 is: 530,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,992.24 : 925,994.76 = 384,567.60 : x
  2. Step 2: Convert to fraction form
    670,992.24/925,994.76 = 384,567.60/x
  3. Step 3: Cross multiply
    670,992.24x = 925,994.76 × 384,567.60
  4. Step 4: Simplify right side
    670,992.24x = 356,107,582,465.78
  5. Step 5: Solve for x
    x = 356,107,582,465.78/670,992.24
  6. Step 6: Final answer
    x = 530,717.89

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Similar ratio
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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.