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Finding the Fourth Proportional to 335,324.40, 502,986.60 and 256,592.40

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Solution

The fourth proportional to 335,324.40, 502,986.60 and 256,592.40 is: 384,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,324.40 : 502,986.60 = 256,592.40 : x
  2. Step 2: Convert to fraction form
    335,324.40/502,986.60 = 256,592.40/x
  3. Step 3: Cross multiply
    335,324.40x = 502,986.60 × 256,592.40
  4. Step 4: Simplify right side
    335,324.40x = 129,062,538,861.84
  5. Step 5: Solve for x
    x = 129,062,538,861.84/335,324.40
  6. Step 6: Final answer
    x = 384,888.60

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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.