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Finding the Fourth Proportional to 599,490.30, 899,235.45 and 333,123.42

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Solution

The fourth proportional to 599,490.30, 899,235.45 and 333,123.42 is: 499,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,490.30 : 899,235.45 = 333,123.42 : x
  2. Step 2: Convert to fraction form
    599,490.30/899,235.45 = 333,123.42/x
  3. Step 3: Cross multiply
    599,490.30x = 899,235.45 × 333,123.42
  4. Step 4: Simplify right side
    599,490.30x = 299,556,388,489.24
  5. Step 5: Solve for x
    x = 299,556,388,489.24/599,490.30
  6. Step 6: Final answer
    x = 499,685.13

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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.