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Finding the Fourth Proportional to 567.92, 784 and 346.98

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Solution

The fourth proportional to 567.92, 784 and 346.98 is: 479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.92 : 784 = 346.98 : x
  2. Step 2: Convert to fraction form
    567.92/784 = 346.98/x
  3. Step 3: Cross multiply
    567.92x = 784 × 346.98
  4. Step 4: Simplify right side
    567.92x = 272,032.32
  5. Step 5: Solve for x
    x = 272,032.32/567.92
  6. Step 6: Final answer
    x = 479.00

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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.