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Finding the Fourth Proportional to 1,178.58, 1,768.20 and 592.87

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Solution

The fourth proportional to 1,178.58, 1,768.20 and 592.87 is: 889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178.58 : 1,768.20 = 592.87 : x
  2. Step 2: Convert to fraction form
    1,178.58/1,768.20 = 592.87/x
  3. Step 3: Cross multiply
    1,178.58x = 1,768.20 × 592.87
  4. Step 4: Simplify right side
    1,178.58x = 1,048,312.73
  5. Step 5: Solve for x
    x = 1,048,312.73/1,178.58
  6. Step 6: Final answer
    x = 889.47

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1.5x scale

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.