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Finding the Fourth Proportional to 833.46, 1,248.80 and 589.50

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Solution

The fourth proportional to 833.46, 1,248.80 and 589.50 is: 883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.46 : 1,248.80 = 589.50 : x
  2. Step 2: Convert to fraction form
    833.46/1,248.80 = 589.50/x
  3. Step 3: Cross multiply
    833.46x = 1,248.80 × 589.50
  4. Step 4: Simplify right side
    833.46x = 736,167.60
  5. Step 5: Solve for x
    x = 736,167.60/833.46
  6. Step 6: Final answer
    x = 883.27

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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.