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Finding the Fourth Proportional to 833.13, 1,248.51 and 463.23

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Solution

The fourth proportional to 833.13, 1,248.51 and 463.23 is: 694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.13 : 1,248.51 = 463.23 : x
  2. Step 2: Convert to fraction form
    833.13/1,248.51 = 463.23/x
  3. Step 3: Cross multiply
    833.13x = 1,248.51 × 463.23
  4. Step 4: Simplify right side
    833.13x = 578,347.29
  5. Step 5: Solve for x
    x = 578,347.29/833.13
  6. Step 6: Final answer
    x = 694.19

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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.