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Finding the Fourth Proportional to 1,064.76, 1,597.12 and 295.28

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Solution

The fourth proportional to 1,064.76, 1,597.12 and 295.28 is: 442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.76 : 1,597.12 = 295.28 : x
  2. Step 2: Convert to fraction form
    1,064.76/1,597.12 = 295.28/x
  3. Step 3: Cross multiply
    1,064.76x = 1,597.12 × 295.28
  4. Step 4: Simplify right side
    1,064.76x = 471,597.59
  5. Step 5: Solve for x
    x = 471,597.59/1,064.76
  6. Step 6: Final answer
    x = 442.91

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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.