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Finding the Fourth Proportional to 583,823.70, 875,735.55 and 384,369.30

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Solution

The fourth proportional to 583,823.70, 875,735.55 and 384,369.30 is: 576,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,823.70 : 875,735.55 = 384,369.30 : x
  2. Step 2: Convert to fraction form
    583,823.70/875,735.55 = 384,369.30/x
  3. Step 3: Cross multiply
    583,823.70x = 875,735.55 × 384,369.30
  4. Step 4: Simplify right side
    583,823.70x = 336,605,860,338.62
  5. Step 5: Solve for x
    x = 336,605,860,338.62/583,823.70
  6. Step 6: Final answer
    x = 576,553.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.