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Finding the Fourth Proportional to 833.42, 1,250.00 and 524.32

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Solution

The fourth proportional to 833.42, 1,250.00 and 524.32 is: 786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.42 : 1,250.00 = 524.32 : x
  2. Step 2: Convert to fraction form
    833.42/1,250.00 = 524.32/x
  3. Step 3: Cross multiply
    833.42x = 1,250.00 × 524.32
  4. Step 4: Simplify right side
    833.42x = 655,394.25
  5. Step 5: Solve for x
    x = 655,394.25/833.42
  6. Step 6: Final answer
    x = 786.40

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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.