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Finding the Fourth Proportional to 582.84, 874.40 and 192.83

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Solution

The fourth proportional to 582.84, 874.40 and 192.83 is: 289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.84 : 874.40 = 192.83 : x
  2. Step 2: Convert to fraction form
    582.84/874.40 = 192.83/x
  3. Step 3: Cross multiply
    582.84x = 874.40 × 192.83
  4. Step 4: Simplify right side
    582.84x = 168,605.22
  5. Step 5: Solve for x
    x = 168,605.22/582.84
  6. Step 6: Final answer
    x = 289.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.