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Finding the Fourth Proportional to 530.34, 791.46 and 464.16

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Solution

The fourth proportional to 530.34, 791.46 and 464.16 is: 692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.34 : 791.46 = 464.16 : x
  2. Step 2: Convert to fraction form
    530.34/791.46 = 464.16/x
  3. Step 3: Cross multiply
    530.34x = 791.46 × 464.16
  4. Step 4: Simplify right side
    530.34x = 367,364.07
  5. Step 5: Solve for x
    x = 367,364.07/530.34
  6. Step 6: Final answer
    x = 692.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.