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Finding the Fourth Proportional to 502,148.34, 692,961.57 and 300,944.34

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Solution

The fourth proportional to 502,148.34, 692,961.57 and 300,944.34 is: 415,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,148.34 : 692,961.57 = 300,944.34 : x
  2. Step 2: Convert to fraction form
    502,148.34/692,961.57 = 300,944.34/x
  3. Step 3: Cross multiply
    502,148.34x = 692,961.57 × 300,944.34
  4. Step 4: Simplify right side
    502,148.34x = 208,542,862,329.01
  5. Step 5: Solve for x
    x = 208,542,862,329.01/502,148.34
  6. Step 6: Final answer
    x = 415,301.31

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.