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Finding the Fourth Proportional to 1,064.66, 1,597.44 and 448.50

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Solution

The fourth proportional to 1,064.66, 1,597.44 and 448.50 is: 672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.66 : 1,597.44 = 448.50 : x
  2. Step 2: Convert to fraction form
    1,064.66/1,597.44 = 448.50/x
  3. Step 3: Cross multiply
    1,064.66x = 1,597.44 × 448.50
  4. Step 4: Simplify right side
    1,064.66x = 716,441.61
  5. Step 5: Solve for x
    x = 716,441.61/1,064.66
  6. Step 6: Final answer
    x = 672.93

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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.