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Finding the Fourth Proportional to 1,060.68, 1,590.90 and 444.48

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Solution

The fourth proportional to 1,060.68, 1,590.90 and 444.48 is: 666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.68 : 1,590.90 = 444.48 : x
  2. Step 2: Convert to fraction form
    1,060.68/1,590.90 = 444.48/x
  3. Step 3: Cross multiply
    1,060.68x = 1,590.90 × 444.48
  4. Step 4: Simplify right side
    1,060.68x = 707,123.23
  5. Step 5: Solve for x
    x = 707,123.23/1,060.68
  6. Step 6: Final answer
    x = 666.67

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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.