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Finding the Fourth Proportional to 526.67, 790.76 and 373.58

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Solution

The fourth proportional to 526.67, 790.76 and 373.58 is: 560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.67 : 790.76 = 373.58 : x
  2. Step 2: Convert to fraction form
    526.67/790.76 = 373.58/x
  3. Step 3: Cross multiply
    526.67x = 790.76 × 373.58
  4. Step 4: Simplify right side
    526.67x = 295,412.07
  5. Step 5: Solve for x
    x = 295,412.07/526.67
  6. Step 6: Final answer
    x = 560.91

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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.