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Finding the Fourth Proportional to 598,245.30, 897,367.95 and 385,668.90

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Solution

The fourth proportional to 598,245.30, 897,367.95 and 385,668.90 is: 578,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,245.30 : 897,367.95 = 385,668.90 : x
  2. Step 2: Convert to fraction form
    598,245.30/897,367.95 = 385,668.90/x
  3. Step 3: Cross multiply
    598,245.30x = 897,367.95 × 385,668.90
  4. Step 4: Simplify right side
    598,245.30x = 346,086,910,171.76
  5. Step 5: Solve for x
    x = 346,086,910,171.76/598,245.30
  6. Step 6: Final answer
    x = 578,503.35

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Double scale
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Similar ratio
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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.