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Finding the Fourth Proportional to 596,093.80, 894,140.70 and 393,140.20

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Solution

The fourth proportional to 596,093.80, 894,140.70 and 393,140.20 is: 589,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,093.80 : 894,140.70 = 393,140.20 : x
  2. Step 2: Convert to fraction form
    596,093.80/894,140.70 = 393,140.20/x
  3. Step 3: Cross multiply
    596,093.80x = 894,140.70 × 393,140.20
  4. Step 4: Simplify right side
    596,093.80x = 351,522,653,626.14
  5. Step 5: Solve for x
    x = 351,522,653,626.14/596,093.80
  6. Step 6: Final answer
    x = 589,710.30

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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.