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Finding the Fourth Proportional to 567.68, 783.48 and 334.80

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Solution

The fourth proportional to 567.68, 783.48 and 334.80 is: 462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.68 : 783.48 = 334.80 : x
  2. Step 2: Convert to fraction form
    567.68/783.48 = 334.80/x
  3. Step 3: Cross multiply
    567.68x = 783.48 × 334.80
  4. Step 4: Simplify right side
    567.68x = 262,309.10
  5. Step 5: Solve for x
    x = 262,309.10/567.68
  6. Step 6: Final answer
    x = 462.07

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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.