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Finding the Fourth Proportional to 530.96, 732.14 and 373.76

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Solution

The fourth proportional to 530.96, 732.14 and 373.76 is: 515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.96 : 732.14 = 373.76 : x
  2. Step 2: Convert to fraction form
    530.96/732.14 = 373.76/x
  3. Step 3: Cross multiply
    530.96x = 732.14 × 373.76
  4. Step 4: Simplify right side
    530.96x = 273,644.65
  5. Step 5: Solve for x
    x = 273,644.65/530.96
  6. Step 6: Final answer
    x = 515.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.