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Finding the Fourth Proportional to 1,498.08, 2,247.04 and 472

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Solution

The fourth proportional to 1,498.08, 2,247.04 and 472 is: 707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.08 : 2,247.04 = 472 : x
  2. Step 2: Convert to fraction form
    1,498.08/2,247.04 = 472/x
  3. Step 3: Cross multiply
    1,498.08x = 2,247.04 × 472
  4. Step 4: Simplify right side
    1,498.08x = 1,060,602.88
  5. Step 5: Solve for x
    x = 1,060,602.88/1,498.08
  6. Step 6: Final answer
    x = 707.97

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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.