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Finding the Fourth Proportional to 832.00, 1,148.16 and 500.43

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Solution

The fourth proportional to 832.00, 1,148.16 and 500.43 is: 690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.00 : 1,148.16 = 500.43 : x
  2. Step 2: Convert to fraction form
    832.00/1,148.16 = 500.43/x
  3. Step 3: Cross multiply
    832.00x = 1,148.16 × 500.43
  4. Step 4: Simplify right side
    832.00x = 574,573.71
  5. Step 5: Solve for x
    x = 574,573.71/832.00
  6. Step 6: Final answer
    x = 690.60

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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.