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Finding the Fourth Proportional to 527.90, 792.52 and 373.91

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Solution

The fourth proportional to 527.90, 792.52 and 373.91 is: 561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.90 : 792.52 = 373.91 : x
  2. Step 2: Convert to fraction form
    527.90/792.52 = 373.91/x
  3. Step 3: Cross multiply
    527.90x = 792.52 × 373.91
  4. Step 4: Simplify right side
    527.90x = 296,326.26
  5. Step 5: Solve for x
    x = 296,326.26/527.90
  6. Step 6: Final answer
    x = 561.34

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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.