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Finding the Fourth Proportional to 832.50, 1,248.84 and 467.40

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Solution

The fourth proportional to 832.50, 1,248.84 and 467.40 is: 701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.50 : 1,248.84 = 467.40 : x
  2. Step 2: Convert to fraction form
    832.50/1,248.84 = 467.40/x
  3. Step 3: Cross multiply
    832.50x = 1,248.84 × 467.40
  4. Step 4: Simplify right side
    832.50x = 583,707.82
  5. Step 5: Solve for x
    x = 583,707.82/832.50
  6. Step 6: Final answer
    x = 701.15

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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.