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Finding the Fourth Proportional to 591.21, 886.98 and 526.67

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Solution

The fourth proportional to 591.21, 886.98 and 526.67 is: 790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.21 : 886.98 = 526.67 : x
  2. Step 2: Convert to fraction form
    591.21/886.98 = 526.67/x
  3. Step 3: Cross multiply
    591.21x = 886.98 × 526.67
  4. Step 4: Simplify right side
    591.21x = 467,141.32
  5. Step 5: Solve for x
    x = 467,141.32/591.21
  6. Step 6: Final answer
    x = 790.14

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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.