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Finding the Fourth Proportional to 347,286.30, 520,929.45 and 97,968.30

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Solution

The fourth proportional to 347,286.30, 520,929.45 and 97,968.30 is: 146,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,286.30 : 520,929.45 = 97,968.30 : x
  2. Step 2: Convert to fraction form
    347,286.30/520,929.45 = 97,968.30/x
  3. Step 3: Cross multiply
    347,286.30x = 520,929.45 × 97,968.30
  4. Step 4: Simplify right side
    347,286.30x = 51,034,572,636.44
  5. Step 5: Solve for x
    x = 51,034,572,636.44/347,286.30
  6. Step 6: Final answer
    x = 146,952.45

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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.