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Finding the Fourth Proportional to 535,599.36, 739,114.01 and 299,850.35

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Solution

The fourth proportional to 535,599.36, 739,114.01 and 299,850.35 is: 413,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,599.36 : 739,114.01 = 299,850.35 : x
  2. Step 2: Convert to fraction form
    535,599.36/739,114.01 = 299,850.35/x
  3. Step 3: Cross multiply
    535,599.36x = 739,114.01 × 299,850.35
  4. Step 4: Simplify right side
    535,599.36x = 221,623,589,393.58
  5. Step 5: Solve for x
    x = 221,623,589,393.58/535,599.36
  6. Step 6: Final answer
    x = 413,786.14

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Half scale
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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.