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Finding the Fourth Proportional to 1,063.60, 1,595.28 and 294

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Solution

The fourth proportional to 1,063.60, 1,595.28 and 294 is: 440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.60 : 1,595.28 = 294 : x
  2. Step 2: Convert to fraction form
    1,063.60/1,595.28 = 294/x
  3. Step 3: Cross multiply
    1,063.60x = 1,595.28 × 294
  4. Step 4: Simplify right side
    1,063.60x = 469,012.32
  5. Step 5: Solve for x
    x = 469,012.32/1,063.60
  6. Step 6: Final answer
    x = 440.97

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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.