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Finding the Fourth Proportional to 530.04, 731.10 and 333.48

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Solution

The fourth proportional to 530.04, 731.10 and 333.48 is: 459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.04 : 731.10 = 333.48 : x
  2. Step 2: Convert to fraction form
    530.04/731.10 = 333.48/x
  3. Step 3: Cross multiply
    530.04x = 731.10 × 333.48
  4. Step 4: Simplify right side
    530.04x = 243,807.23
  5. Step 5: Solve for x
    x = 243,807.23/530.04
  6. Step 6: Final answer
    x = 459.98

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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.