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Finding the Fourth Proportional to 364,538.70, 546,808.05 and 231,569.10

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Solution

The fourth proportional to 364,538.70, 546,808.05 and 231,569.10 is: 347,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,538.70 : 546,808.05 = 231,569.10 : x
  2. Step 2: Convert to fraction form
    364,538.70/546,808.05 = 231,569.10/x
  3. Step 3: Cross multiply
    364,538.70x = 546,808.05 × 231,569.10
  4. Step 4: Simplify right side
    364,538.70x = 126,623,848,011.26
  5. Step 5: Solve for x
    x = 126,623,848,011.26/364,538.70
  6. Step 6: Final answer
    x = 347,353.65

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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.