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Finding the Fourth Proportional to 595,169.83, 820,859.53 and 391,429.95

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Solution

The fourth proportional to 595,169.83, 820,859.53 and 391,429.95 is: 539,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,169.83 : 820,859.53 = 391,429.95 : x
  2. Step 2: Convert to fraction form
    595,169.83/820,859.53 = 391,429.95/x
  3. Step 3: Cross multiply
    595,169.83x = 820,859.53 × 391,429.95
  4. Step 4: Simplify right side
    595,169.83x = 321,308,998,723.48
  5. Step 5: Solve for x
    x = 321,308,998,723.48/595,169.83
  6. Step 6: Final answer
    x = 539,861.04

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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.